spec external plumbing

8/12/2019 Spec External Plumbing

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Project:- Proposed Residential Colony "Impact Regency" at G.T. Road Bey-Pass Vill.VallahAmritsar

NOTICE INVITING TENDERS

Sealed item rate tenders are invited on behalf of The Tender shall be in the. Proposed Residential Colony "Impact Regency" at G.T. Road Bey-Pass Village Vallah

. Amritsar prescribed form.1. The tendered work shall be completed the schedule given in the Special

Conditions of the Contract.

. Tender documents consisting of Specifications, Schedule of Quantities of variousitems of works to be executed, Conditions of Contract & Terms of greement canbe obtained from the rchitects !ffice M/s SJS Consultants ! #$e% &odel T'()$

mritsar "#un$ab%

. The Site can be examined during working hours on an' da'. The tenderdocument will be on sale between 1( ) to * #) from +++++++++++++++++++++++++++++++++

. -t shall be the responsibilit' if intending tenders to ensure the collection of tenderdocuments within the stipulated time and for submitting their tenders within theprescribed date and time. o complaints whatsoever shall be entertained in thisregard.

/. Tenders dul' completed, super scribed and sealed will be received up to 0.(( #)on ++++++++++++++++++++++++++ in the regd. offices of the Consultant.The tenderOpening Date & Time ill !e "on#e$ed !$ the representati#e o%Client/ r"hite"t/Consultant'

. Tender shall submit the tender which satisfies each and ever' condition laiddown in this notice, failing which, the Tender will be liable to be re$ected.

*. The Client does not bind himself to accept the lowest, or an' Tender, or to givean' reasons for his decision.

2. The Client reserves to himself the right of accepting the whole or an' part of theTender and Tender shall be bound to perform the same at his 3uoted rates.

4. This notice of tender shall form a part of the contract.

1(. ll communications shall be in 5nglish or 6indi.

11. The validit' of the Tender for acceptance b' the Client shall be up to 1/ da'sfrom the date of opening of the Tenders.

7or Client 8 rchitects

Signature

Architects :- SJS Consultants Consultants: PDS Consultants


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Te"hni"al Condition o% Contra"t %or (lum!ing )or*s

+' SCO(E O, )OR-

7ollowing is the detail of scope of work included in this Tender.

a% -nstallation of #umps in the 9.:.Tank complete as re3uired starting from suctionline from underground tank to distribution ;ing )ain iring for )otor ecessar' 7oundation work for #umps, Supports for#iping ater



3/31

Project:- Proposed Residential Colony "Impact Regency" at G.T. Road Bey-Pass Vill.VallahAmritsar 1' INST 22 TION SC EM TIC

The installation shall confirm to the schematic line diagram attached in the shape ofdrawings for pump house. =ertical riser8@ Comer and #ipe la'out drawing for buildingattached along with Tender #apers.

Since the genc' executing the $ob is responsible for obtaining the !C from the Aocal uthorities, deviation, if an', with respect to the scheme and drawing attached ma' bebrought out clearl' in the Tender #aper while 3uoting for the $ob.

3' S(ECI,IC TIONS

.1.1 >ork under #lumbing Services installation shall be carried out strictl' inaccordance with specifications attached with the tender.

.1.0 -tems not covered under these specifications due to an' ambiguit' or misprints,

or additional works, the work shall be carried out as per specifications or thelatest .


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.1.0 rchitectural drawings shall take precedence over #lumbing drawing or otherservices drawings as to all dimensions.

.1. Contractor shall verif' all dimensions at site and bring to the notice of the Site5ngineer8Consultant all discrepancies or deviations noticed. @ecision of the Site

5ngineer8Consultant85mplo'er shall be final.

.1. Aarge siBe details and manufacturers dimensions for materials to beincorporated shall take precedence over small+scale drawings.

.1./ n' drawings issued b' the rchitects8 Consultant for the work are the propert'of the rchitects8 Consultant and shall not be lent, reproduced or used on an'works other intended without the written permission of the rchitects8 Consultant.

8' Inspe"tion and testing o% materials

Contractor shall be re3uired to produce if re3uired manufacturers test certificate for theparticular f materials supplied b' him. The tests carried out shall be as per the relevant-ndian Standards.

9' Metri" "on#ersion

2.1.1 ll dimensions and siBes of materials and e3uipment given in the tenderdocument are commercial metric siBes.

2.1.0 n' weights, or siBes given in the tender having changed due to metricconversion, the nearest e3uivalent siBes accepted b' -ndian Standards shall be

acceptable without an' additional cost.

:' Re%eren"e dra ing

4.1.1 Contractor shall maintain one set of all drawings issued to him as referencedrawings. These shall not be used on site. ll+important drawings shall bemounted on boards and placed in racks indexed. o drawings shall be rolled.

4.1.0 ll corrections, deviations and change made on the site shall be shown on thesereference drawings for final incorporation in the completion drawings. ll changesto be made shall be initialled b' the Consultant or rchitects.

+;' Shop dra ings

Shop drawings shall be submitted under following conditions +

a% Showing an' changes in la'out in the #lumbing drawings.b% 53uipment la'out, piping and wiring diagram.c% )anufacturer or Contractor?s fabrication drawings for an' materials or

e3uipment supplied b' him.

++' Completion dra ings

Architects :- SJS Consultants ! Consultants: PDS Consultants


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Project:- Proposed Residential Colony "Impact Regency" at G.T. Road Bey-Pass Vill.VallahAmritsar 11.1 !n completion of work, contractor shall submit one complete set of original

tracings and two prints of Das builtE drawings to the #ro$ect )anager. Thesedrawings shall have the following information.

a% ;un of all piping, diameters on all floors, vertical stacks and location of

external services.b% ;un of all #lumbing lines with diameters, locations of control valves,

access panels.c% Aocations of all mechanical e3uipment with la'out and piping connections.

o completion certificate shall be issued unless the above drawings aresubmitted. 7urther, sum of ;s. /,(((.(( shall be deducted in case the Contractordoes not submit the same.

11.0 Contractor shall provide !ne sets of catalogues, service manuals if re3uiredmanufacturer?s drawings, performance data and list of spare parts together withthe name and address of the manufacturer for all electrical and mechanicale3uipment provided b' him.

11. ll Dwarrant' cardsE given b' the manufacturers shall be handed over to the5mplo'er.

+.' Contra"tor


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1 .1.0 Tests shall be performed in presence of the Site 5ngineer8 Consultant.

1 .1. ll materials and e3uipment found defective shall be replaced and whole worktested to meet the re3uirements of the specifications.

1 .1. Contractor shall perform all such tests as ma' be necessar' and re3uired b' thelocal authorities to meet municipal or other b'e+laws in force.

1 .1./ Contractor shall provide all labour, e3uipment and materials for the performanceof the tests.

+3' Site "learan"e and "leanup

1 .1.1 The contractor shall, from time to time, clear awa' all debris and excess materialsaccumulated at the site.

1 .1.0 fter the fixtures, e3uipment and appliances have been installed andcommissioned, contractor shall clean+up the same and remove all plaster, paints,stains, stickers and other foreign matter or discoloration leaving the same in aread' to use condition.

1 .1. !n completion of all works, contractor shall demolish all stores, remove allsurplus materials and leave the site in a broom clean condition, failing which thesame shall be done at Contractor?s risk and cost.

+4' Re"o#er$ o% "ost %or materials issued to Contra"tors %ree o% "ost

1/.1 -f an' materials issued to the Contractor, free of cost, are damaged or pilfered,the cost of the same shall be recovered from the contractor on the basis or actualcost to owner which shall include all freight and transportation, excise dut', salestax, !ctroi, import dut' etc, plus 1(F. The decision on the actual cost given b'the 5mplo'er shall be final and binding on the Contractor.

+7' Cutting o% ater proo%ing mem!rane

1 .1 o walls terraces shall be cut for making and opening after waterproofing hasbeen done without approval of Site 5ngineer8 rchitects. Cutting of water proofing

membrane shall be done ver' carefull' so as other portion of water proofing is notdamaged. !n completion of work at such place the water proofing membraneshall be made good and ensured that the opening8 cutting is made full' waterproof as per specifications and details of water proofing approved b' rchitects.

+8' Cutting o% stru"tural mem!ers

1*.1 o structural member shall be chased or cut without the permission of the #ro$ect)anager.

+9' Materials supplied !$ emplo$er

Architects :- SJS Consultants , Consultants: PDS Consultants


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Project:- Proposed Residential Colony "Impact Regency" at G.T. Road Bey-Pass Vill.VallahAmritsar 12.1 The Contractor shall verif' that all materials supplied b' the 5mplo'er conform to

the specifications of the relevant item in the tender. n' discrepanc' found shallbe brought to the notice of the Site 5ngineer.

+:' Materials

14.1 9nless otherwise specified and expressl' approved in writing b' the 5mplo'er,onl' materials of makes and specification as mentioned in the list of approvedmakes attached with the specifications shall be used

TEC NIC 2 S(ECI,IC TIONS ,OR (26M=ING )OR-S

1. (ipes

i% ll pipes within and outside the building in exposed location and shaftsincluding connections buried under floor shall be ##;!=5@ ) G5 !7 pipes& 7ittings.

0. (ipe ,ittings

a% #ipe fittings means tees, elbows, couplings, 9nions, reducers etc. and all such

connecting devices that are need to complete the piping work in its totalit'.Architects :- SJS Consultants Consultants: PDS Consultants


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b% Screwed fittings shall be approved t'pe malleable with reinforced ring on alledges of the fitting suitable for screwed $oints.

. (ipe Jointing0

.1 7langed

7langed $oints shall be provided on

Straight runs not exceeding 0/+ ( m on pipelines of /mm dia and above and asdirected b' #ro$ect )anager.

7or $ointing all t'pes of valves, apparatus pump, connections with other t'pes ofpipes, to water tanks and other places necessar' and re3uired as good forengineering practice.

7langed shall be as per Table 5 of -S specification with appropriate number ofS.S. nuts and bolts, mm neoprene gasket complete as per relevantspecifications

.0 9nions

#rovide approved t'pe of unions on pipelines /(mm dia and below in similarplaces as specified for flanges.

E>"a#ation

.1 5xcavation for pipe lines shall be in open trenches to levels and grades shown onthe drawings or as re3uired at site. #ipelines shall be buried with a minimumcover of 1.( meter or as shown on drawings.

.0 >herever re3uired contractor shall support all trenches or ad$oining structureswith ade3uate timber supports.

. !n completion of testing in the presence of the #ro$ect )anager and pipeprotection, trenches shall be refilled with same excavated earth and consolidated.

. Contractor shall dispose off all surplus earth within a lead of /( m or as directedb' the #ro$ect )anager.

4 n"hor Thrust !lo"*s

a% Contractor shall provide suitabl' designed anchor blocks in cement concrete toencounter excess thrust due to water hammer & high pressure.



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Project:- Proposed Residential Colony "Impact Regency" at G.T. Road Bey-Pass Vill.VallahAmritsar b% Thrust blocks shall be provided at all bends, tees and such other location as

determined b' the #ro$ect )anager.

c% 5xact location, design, siBe and mix of the concrete blocks shall be as shown on thedrawings or as directed b' the #ro$ect )anager prior to execution of work.

. Gun Metal #al#es

=alves of /( mm dia and below shall be heav' dut' gunmetal


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;ectif' all leakages, make ad$ustment and retest as re3uired and directed.

Measurement

1 .1 ll C.-.86@#5 pipes shall be measured per linear meter of the finished length andshall include all fittings, flanges, welding, $ointing, clamps for fixing to walls orhangers, anchor fasteners, painting and testing complete in all respect.

1 .0


11/31

Project:- Proposed Residential Colony "Impact Regency" at G.T. Road Bey-Pass Vill.VallahAmritsar b% /( F value of agreed rates of the respective item on receipt of material re3uired

under the item sub$ect to verification and satisfaction of Consultant8 #ro$ect5ngineer.

c% 0( F of agreed accepted rates under the item on installation at site to thesatisfaction of Consultant8 #ro$ect 5ngineer after ad$usting the advance on

proretta basis.d% 1/F on testing of the s'stem as installed to the satisfaction of Consultant8 #ro$ect

5ngineer. e%


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that he ma' use for his work. Tax deduction at source will be deducted as per the-ncome Tax ;ules as applicable.

4. IS CODES

-n case of an' Class of work for which there is no such specs. ;elevant -S Codes,manufacturer?s specs. and instructions of the rchitect shall be followed. The

rchitect shall be free to choose an' of the specifications mentioned above.

1(. DR )INGS

5ver' Tender shall return the set of detailed drawing enclosed with Tender, dul'signed. 6owever, the successful tender would be supplied two sets of drawingsfree of cost, but subse3uent prints will be charged ;s.0/8+ per unit.

11. S M(2ES

The samples for feasible item8accessor'8fixture, re3uired for 7ire suppressionworks, shall be made8procured as per instruction, and submitted for the approval

of the rchitect. The approved samples shall be kept and preserved on site at alltimes. ll procurement thereafter shall be based on these approved samples andthe contractor will be re3uired to perform all work under this Contract inaccordance with these approved samples. The rchitect reserves the right tomodif'8alter an' details8material. The contractors shall not be paid an' extraamount on this account.

10. E5TR ITEMS

#ercentage of !verhead and #rofits in respect of extra items will be based on thebasic cost of materials, taxes, cartage, labour etc. and 0(F shall be paid towardsoverheads and contractor?s profit. Suppl' and installation of extra items, if an',re3uired shall be sub$ect to prior approval of its rate and make b' the5mplo'er8Consultant.

1 . DDEND /CORRIGEND

ddenda8Corrigenda to the T5 @5; documents ma' be issued prior to the dateof opening of the T5 @5; to clarif' or to the effect modification in the design ofC! T; CT terms. The Tender shall suitabl' take into consideration suchaddenda8corrigenda while submitting this T5 @5;. 5ach addenda8corrigendawill be issued in triplicate. The Tender will return the duplicate cop' of theaddenda8corrigenda dul' signed in confirmation of its documents and retain thethird cop' for his reference stamped on each page b' the Tender and shallbecome part of the T5 @5; documents.

1 r. O=SRV NCE O, 2 =O6R 2 )SArchitects :- SJS Consultants Consultants: PDS Consultants


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-n addition to the observance of provisions in various clauses of :eneralConditions of Contract, the following provisions will hold well.

The C! T; CT!; shall be liable to make all pa'ment to his emplo'ees in

compliance with labour laws. -f the 5)#A!H5; as I#;- C-# A 5)#A!H5;E isheld liable to pa' an' contribution etc. in respect of the emplo'ees of theC! T; CT!;, under the 5.S.-. ct or an' other legislation of :overnment orcourt decision, them the latter would reimburse all such amounts 8 contributionsso paid, to the 5)#A!H5;.

1 . (ROC6RMENT O, M TERI 2S

The 3uantities set out in the

Contractor shall procure the materials based on his own assessment of thisre3uirement at site, for timel' execution of work. The contractor shall not be paidan' extra amount for excess materials thus brought to the site, conse3uent of an'miss understanding8 calculation on the part of the Contractor.

1*. VIRT6 2 COM(2ETION

The Contractor shall hand over the S-T5 to the 5)#A!H5; after completing allworks as envisaged in the ! CT; CT and additions8 deletions therein. Theworks shall be deemed to have been virtuall' completed onl' after all defects inmaterial 3ualit' and workmanship etc. occurring before the date of handover to

the emplo'er, have been satisfactoril' set right. The certificate of =irtualCompletion shall not be issued nor shall the work be considered complete till theContractor has removed from the premises on which the work has been executedand its surroundings, all scaffolding, sheds, surplus materials "except such whichare re3uired for rectification of defects if an'% rubbish and debris, and cleaned thefloors, commissioned all electrical points, oiled locks and fastenings, and handedthem over to the !wner or his representative and made the whole installation fitfor immediate use, to the complete satisfaction of the rchitect.

12. DR )INGB INSTR6CTIONSB ME S6RMENTS

ll work shall be done according to the drawings and instructions of the rchitect8his authorities representative and the Contractor shall arrange to testmaterials and 8or portions of the works at his own cost in order to prove theirsoundness and sufficienc'. -f after an' such test and in the opinion of the

rchitect8his authorised ;epresentative, an' work or portion of work is found tobe defective or unsound, the Contractor shall pull down and re+execute the sameat his own cost. @efective materials shall be removed from the site within oneweek of receipt to of instruction for the same.

Architects :- SJS Consultants * Consultants: PDS Consultants


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SECTION ? I

' E5TERN 2 )TER S6((2@ D(E (I(ES ND ,ITTING

1. 0 HIGH DENSITY POLYTHENE PIPES

. 6igh @ensit' #ol'thene #ipe "6@#5% for >ater Suppl' shall be confirming to -S42 with pressure rating # 1 or as specified in bill of Qt'.

1.2 Laying and Jointing of HDPE PipesAa'ing and $ointing of the pipes shall be done as specified in -S 42 .

>hile la'ing the pipe in trenches the bed of the trench should be level and freefrom sharp edged stones. >hile la'ing in rock' areas suitable bed of sand orgravel should be provided. The initial back fill about 1( to 1/ cm above the pipeshould be fine sand or screened excavated material. >here hard rock is met with,bed concrete )+1((, 1/ cm shall be provided, before putting in the softsand8gravel.

Jointing of two pipes shall be done through elding. The method of butt+welding shall be as below

a% The ends of the pipes to be $oined are cut verticall' at right angles with a finetoothed saw and trimmed with a file to make both ends smooth so that thepipes when pressed together are without leaving an' gap.

Architects :- SJS Consultants ! Consultants: PDS Consultants


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b% hen a rim of about 181(E to 182E is formed, thepipes are pulled apart and the 6eat )irror is 3uickl' withdrawn. Then the twoends of the pipes are brought together face to face so that the molten portionscome into contact with each other. Then the pipes are drawn back ver'slightl' "without separating the $oined molten portion% and then again the pipes

are pressed together with a moderate pressure of about "1 to 1./ kg8cm s3%.This ensures that an' air bubbles are s3ueeBed out. The pipes are held inthat position until the pipe+$oint cools off naturall' in atmospheric air. >hen aperfect $oint is made, the rims cohere in such a wa' that there is onl' a ver'fine slight depression between the two rims. -f the top surface of the rim is tooflat, it will be because the pipe is overheated. -f there is too much ofdepression "groove% between the rims, the pipe is under+heated. The rimsshould not be cut off or erased from the $oints. lso, correct alignment of thepipes will help in $oining the pipes perfectl', as otherwise there will bereduction in the area of the $oining surface rendering the $oint weak andimperfect.

B. DUCTILE IRON PIPES FOR DRAINA E #roviding and la'ing @ouble 7langed "Screwed 8 >elded% Centrifugall' "Spun%. @uctile -ron #ipes of Class G + 4 conforming to -S 2 04

. ll drainage lines passing under building, floors and roads with heav' traffic, inexposed position above ground e.g. service floor and basement ceiling shall becast iron pipes. #osition of such pipes shall generall' be shown on the drawings.

0.0 #ipes for water suppl' mains where specified shall be @uctile iron pipes, of class

G+4, conforming to -.S 2 04. Qualit' certificates shall be furnished.0. 7ittings and -nspection Chambers

"a% 7ittings used for @.-. drainage pipe shall conform to -.S 2 04. >herever possible $unction from branch pipes shall be made b' a IH tee?.

"b% Cleanout plugs shall be provided on head of each drain and at location indicatedon plans or directed b' 5ngineer+in+Charge 8 !wner. Cleanout plugs shall be ofsiBe matching the full bore of the pipe. #lugs shall be made out with :.-. couplingcaulked into the socket of the pipe or fittings. The end shall be provided with abrass screwed plug with suitable ke' for opening.

Architects :- SJS Consultants + Consultants: PDS Consultants


16/31

Project:- Proposed Residential Colony "Impact Regency" at G.T. Road Bey-Pass Vill.VallahAmritsar . ! La in!

"c% ll @uctile iron pipes and fittings shall be $ointed with best 3ualit' soft #ig Aead"conforming to -S *20% which shall be free from impurities. -n wet trenches $ointsshall be made from Aead >ool. othing extra will be paid for Aead >ool $oints.

@epth of pig lead and weight for $oints shall be as given in -.S. code.

"d% The spigot of pipe or fittings shall be centered in the ad$oining socket b' caulking.Sufficient turns of tarred gaskin to leave unfilled the re3uired depth of socket fordepth of /mm when the gaskin has been caulked tightl' home. Jointing ringshall be placed round the barrel and against the face of the socket. )olten #igAead shall then be poured to fill the remainder of the socket. This shall then bedone in one pouring. The lead shall then be solidl' caulked with suitable toolsand hammers weighting not less than 0 kg.

"e% 7or lead wool $oints the socket shall be caulked with tarred gaskin, as explained

above. The lead wool shall be inserted into the sockets and tightl' caulked homeskein b' :askin with suitable tools and hammers of not less than 0 kg weight until $oint is filled.

.+ Test in !

"f% ll lengths of the sewer and drain shall be full' tested for water tightness b'means of water pressure maintained for not less than ( minutes. Testing shallbe carried out from manhole. ll pipes shall be sub$ected to a test pressure of at

least 1./ meter head of water. The test pressure shall, however, not exceed 1./meter head at an' point. The pipes shall be plugged preferabl' with standarddesign rubber plugs on both ends. The upper end shall, however, be connectedto a pipe for filling with water and getting the re3uired head. The tolerance figureof two liters per centimeter of dia per kilometer ma' be allowed during a period often minutes. Subsidence of the test water ma' be due to one or more of thefollowing causes

"g% bsorption b' pipes and $oints

"h% Sweating of pipe or $oints

"i% Aeakage at $oints or from defective pipes

T6=E )E22 )TER S6((2@ G'I' (I(ES ND ,ITTING

C' (I(ING S@STEM' The piping s'stem consists of heav' class galvanised iron pipes and fittingsconforming to -S 10 4. The siBes and makes is specified in the Schedule ofQuantities.

Architects :- SJS Consultants , Consultants: PDS Consultants


17/31


!utside the building the piping shall be installed at least 1m below the finishedgrade level.

1' (I(ING M TERI 2

.1 Gal#anised Iron (ipes The pipes shall be galvanised mild steel welded "5;>% or "67>% screwed andsocketed conforming to the re3uirements of -S 10 4. The :alvanising shallconform to -S * , the Binc coating shall be uniform, adherent reasonabl'smooth and free from such imperfections as flux. ash and drops inclusions, barepatches, black spots, pimples, lumpiness, runs, rust strains, bulk' white depositsand blisters. The pipes and sockets shall be cleanl' finished, well galvanisedin and out and free from cracks, surface flaws laminations and other defects. llscrew threads shall be clean and well cut. The ends shall be cut cleanl', ands3uare with the axis of the pipe.

The fittings shall be malleable iron and compl' with all the re3uirements thatof pipes. The siBes of pipes and fitting is specified in the schedule of 3uantities.

.0 Val#es & Controls

ll valves "gate, globe, check, safet'% shall be of gun metal suitable for theparticular service as called for . ll valves shall be of the particular dut' anddesign as called for. =alves shall either be of screwed t'pe or flanged t'pe, asspecified, with suitable flanges and non+corrosive bolts and gaskets. Tail pieces

as re3uired shall be supplied alongwith valves. :ate, globe and check valvesshall conform to -ndian Standard -S ** and non+return valves and swing checkt'pe reflux to -S / 10.

Sluice valves, where called for shall be flanged sluice valves of cast iron bod'.The spindle, wall seat and wedge nuts shall be gunmetal. The' shall generall'have non+rising spindle and shall be of the particular dut' and design called for.The valves shall be supplied with suitable flanges, non+corrosive bolts andasbestos fire gaskets. Sluice valves shall conform to -ndian standard -S *2( and-S 04( .


18/31


Aawn h'drants shall be of 0(mm siBe unless otherwise indicated. ll h'drantsshall be provided with gate valves and threaded nipple to receive hose pipes.Aawn h'drant valves shall be of approved make and design. >here specifiedlawn h'drants shall be located in masonr' chambers of appropriate siBe.

/. Jointing o% GI pipes

:alvaniBed iron pipes shall be $ointed with threaded and socket $oints, usingthreaded fittings. Care shall be taken to remove an' burr from the end of thepipes after threading. >hite lead or an e3uivalent $ointing compound ofproprietar' make shall be used, according to the manufacturer?s instructions,with a grommet of a few strands of fine 'arn while tightening. Compoundscontaining red lead shall not be used because of the danger of contaminationof water. n' threads exposed after $ointing shall be painted with bituminouspaint to prevent corrosion. #ipes and $oints laid for water suppl' shall be tested

to a pressure of * Gg. per S3. cm.

. Jointing o% )ater ,ittings 9nless otherwise specified all :unmetal fittings such as gate, globe, check &safet' valves shall be fitted in pipe line in workman like manner. ecessar'unions shall be provided on both ends of the valves for eas' replacement.

The $oints between fittings and pipes shall be leak+proof when tested to apressure. The defective fittings and $oints shall be replaced or redone.

*. Installation o% )ater Meter and Stop Co"*

The :.- lines shall be cut to the re3uired lengths at the position where the meterand stop cock are re3uired to be fixed. Then end at the pipe shall be threaded.The meter and stop cock shall be fixed in a position b' means of connectingpipes, :- $am nut and socket etc. The stop cock shall be fixed near the inlet ofthe water meter. The paper disc inserted in the ripples of the meter shall beremoved. nd the meter installed exactl' horiBontal or vertical in the flow line inthe direction shown b' the arrow cast on the bod' of the meter. Care shall betaken that the factor' seal of the meter is not disturbed. >herever the meter

shall be fixed to a newl' fitted pipe line, the pipe line shall have to be completel'washed before fitting the meter.

2. TESTING0

ll external water suppl' pipe shall be tested b' h'drostatic pressure of1./ times the working pressure or *./ Gg8S3.cm whichever is more.

#ressure shall be maintained for a period of at least 12( minutes without

an' drop in the pressure after fixing at site.



19/31


-n addition to the sectional testing carried out during the construction.Contractor shall test the entire installation after connections to theh'dropneumatic s'stem or pumping s'stem. 6e shall rectif' all leakages,and shall replace all defective materials in the s'stem. n' damage donedue to careless will has to be replaced b' the contractor.

The initial back fill shall be placed evenl' in a la'er of about 1((mm thick.This shall be properl' consolidated and this shall be continued till there isa cushion of at least ((mm of cover over the pipe.

The $oint or coupling during the testing of mains shall be left exposed forinspection before cover+up, sufficient back fill shall be placed on the pipeto resist the movement due to pressure while testing. -n this wa' if an'error if workmanship will be found shall immediatel' corrected at aminimum cost.

4. M SONR@ C M=ER0

ll masonr' chambers for stop cocks, sluice valves and meter etc. shallbe built as per supplied drawings.

The excavation for chambers shall be done true to dimension and levelindicated on plans or as directed b' the @eveloper?s ;epresentative.

Concrete shall be of cement concrete 1 "1 cement fine sandgraded stone aggregate (mm nominal siBe%.


20/31


SECTION ? II

E5TERN 2 SE) GE & DR IN GE DIS(OS 2

+' (I(ING M TERI 21.1 RCC (ipes

ll underground storm water drainage pipes and sewer lines where specified"other than those specified % shall be centrifugal spun ;CC pipes #0 for generaland # where road crossing. #ipes shall be true and straight with uniform borethroughout. Cracked, warped pipes shall not be used on the work. ll pipes shallbe tested b' the manufacturer and the Contractor shall produce, prior to use onsite, a certificate to that effect from the manufacturer.

The pipes shall be with or without reinforcement as re3uired and of the class asspecified. These shall conform to -S /2 L 14*1. The reinforced cement concretepipes shall be manufactured b' centrifugal "or spun% process.

ll pipes shall be true to shape, straight, perfectl' sound and free from cracksand flaws. The external and internal surface of the pipes shall be smooth andhard. The pipes shall be free from defects resulting from imperfect grading of theaggregate mixing or molding. The pipes shall be ;.C.C. light dut', #0 and #t'pe.

1.0 2a$ing0

;.C.C. spun pipes shall be laid on cement concrete bed of cradles as specifiedand shown on the detailed drawings. The cradles ma' be precast and sufficientl'cured to prevent cracks and breakage in handling. The invert of the cradles shallbe left 10mm below the invert level of the pipe and properl' placed on the soil toprevent an' disturbance. The pipe shall then be placed on the bed concrete orcradles and set for the line and gradient b' means of sight rails and boning rods,etc. Cradles or concrete bed ma' be omitted, if directed b' the @eveloper?s;epresentatives.

1. Jointing0

Regid Spigot and So"*et JointF0

6emp rope soaked in neat cement wash shall be passed round the $oint andinserted in it b' means of caulking tool. )ore skein of 'arn shall be added andrammed home. Cement mortar with one part of cement and one part of sand andwith minimum water content but on no account soft or slopp', shall be carefull'inserted, punched and caulked into the $oint and more cement mortar added until

Architects :- SJS Consultants 6 Consultants: PDS Consultants


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the space of the $oint has been filled completel' with tightl' caulked mortar. The $oint shall then be finished off neatl' outside the socket at an angle of / deg.

1. Curing0

The $oint shall be cured for at least seven da's. ;efilling at $oints will be permittedonl' on satisfactor' completion of curing period.

1.1.2 Cement Con"rete %or (ipe Supports0

9nless otherwise directed b' the @eveloper?s ;epresentative cement concrete forbed, all round or in haunches shall be laid as follows

9pto 1./m 9pto m


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Project:- Proposed Residential Colony "Impact Regency" at G.T. Road Bey-Pass Vill.VallahAmritsar #a'ment for trenches more than 1./m in depth shall be made for extra depth as .. given in the


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Project:- Proposed Residential Colony "Impact Regency" at G.T. Road Bey-Pass Vill.VallahAmritsar .' TRENC ES ,OR (I(ES ND DR INS

0.1 General

ll the material shall be new of best 3ualit' conforming to specifications and

sub$ect to the approval of the rchitects. @rainage lines shall be laid to there3uired gradients and profiles. ll drainage work shall be done in accordancewith the local municipal b'+laws.

Contractor shall obtain necessar' approval and permission for the drainages'stem from the municipal or an' other competent authorit'. Aocation of allmanholes, catch basins etc shall be gotten confirmed b' the rchitects beforethe actual execution of work at site. ll work shall be executed as directed b'the rchitects.

0.0 lignment and Grade

The storm water drainage pipes shall be carefull' laid to levels and gradientsshown in the plans and sections but sub$ect to modifications as shall be orderedb' the rchitects from time to time to meet the re3uirements of the works. :reatcare shall be taken to prevent sand etc. from entering the pipes. The pipesbetween two manholes shall be laid trul' in straight lines with+out vertical orhoriBontal undulations. The bod' of the pipes shall for its entire length rest onan even begin the trench and places shall be excavated to receive the collar forthe purpose of $ointing. o deviations from the lines, depths of cuttings or

gradients called for on the drawings shall be permitted without the written

approval of the rchitect. ll pipes shall be laid atleast (cms below thefinished ground level or as called for on the drawings.

0. Setting out Tren"hes The contractor shall set out all trenches, )anholes, chambers and such otherworks to true grades and alignments as called for. 6e shall provide thenecessar' instruments for setting out and verification of the same. ll trenchesshall be laid to true grade and in straight lines and as shown on the drawings.The trenches shall be laid to proper levels b' the assistance of boning rodsand sight rails which shall be fixed at intervals not exceeding 1( meters or as

directed b' the rchitect.

0. Tren"h E>"a#ation The trenches for the pipes shall be excavated with bottoms formed to level andgradients as shown on the drawings or as directed b' the rchitect. -n soft andfilled in ground the rchitect ma' re3uire the trenches to be excavated to agreater depth then the shown on the drawings and to fill up such additionalexcavation with concrete "1 2% consolidated to bring the excavation to there3uired levels as shown on the drawings.



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ll excavation shall be properl' protected where necessar' b' suitabletimbering, piling and sheeting as approved b' the rchitect. ll timbering andsheeting when withdrawn shall be done graduall' to avoid falls. ll cavities beade3uatel' filled and consolidated. o blasting shall be allowed without priorapproval in writing from the rchitect. >here allowed it shall be carried out under

thorough and competent supervision, with the written permission of theappropriate authorities taking full precaution connected with the blastingoperations. ll excavated earth shall be kept clear of the trenches to a distancee3ual to */ cms.

0./ O!stru"tion o% Roads The contractor shall not occup' or obstruct b' his operation more than one halfof the width of an' road or street and sufficient space shall then left for publicand private transit, 6e shall remove the materials excavated and bring themback again when the trench is re3uired to be refilled. The contractor shall

obtain the consent of the rchitect in writing before closing an' road tovehicular traffic and the foot walks must be clear at all times.

0. (rote"tion o% (ipes et"'

ll pipes, water mains, cables etc, met in the course of excavation shall becarefull' protected and supported. Care shall be taken not to disturb the cables,

the removal of which shall be arranged b' the contractor with the writtenconsent from the !wner.

0.* Tren"h =a"* ,illing ;efilling of the trenches shall not be commenced until the length of pipes thereinhas been tested and approved. ll timbering which ma' be withdrawn safel'shall be removed as filling proceeds. >here the pipes are unprotected b'concrete hunching selected fine material shall be carefull' hand+packed aroundthe lower half of the pipes so as to buttress them to the sides of the trench.

The refilling shall then be continued to 1/(mm over the top of the pipe using

selected fine hand picked material, watered and rammed on both sides of thepipes with a wooden hammer. The process of filling and tamping shall proceedevenl' in la'ers not exceeding 1/(mm thickness, each la'er being watered andconsolidated so as to maintain an e3ual pressure on both sides of the pipeline. -n gardens and fields the top soil and turf if an', shall be carefull' replaced.

0.2 Contra"tor to ensure Settlement and Damages The contractor shall at his own costs and charges, make good promptl'during the whole period for the works in hand, an' settlement that ma' occurin the surfaces of roads, beams, foot+paths, gardens, open spaces etc. whether

public or private caused b' his trenches or b' his other excavations and heArchitects :- SJS Consultants ! Consultants: PDS Consultants


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shall be liable for an' accident caused thereb'. 6e shall also, at his ownexpense and charges, repair and make good and damage done to buildingand other propert'. -f in the opinion of the rchitects he fails to make good suchworks with all practicable dispatch, the rchitect shall be at his libert' to get thework done b' other means and the expenses thereof shall be paid b' the

contractor or deducted from an' mone' that ma' be or become due to him orrecovered from him an' other manner according to the law of the land.

The contractor shall at his own costs and charges provide places for disposal ofall surplus materials not re3uired to be used on the works. s each trench isrefilled in the surplus soil shall be immediatel' removed, the surface properl'restored and roadwa's and sides left clear.

0.4 Remo#al o% ater %rom Se erB tren"h et" The contractor shall at all times during the progress of work keep the

excavations free from water which shall be disposed b' him in a manner as willneither cause in$ur' to the public health nor to the public or private propert' norto the work completed or in progress nor to the surface of an' road or streets,nor cause an' interference with the use of the same b' the public.-f an' excavation is carried out at an' point or points to a greater width thanthe specified cross section of the sewer with its envelope, the full width of thetrench shall be filled with concrete b' the contractor at his own expense and tothe re3uirements of the rchitects.

1'; TESTING

ll lengths of the sewer and drain shall be carefull' tested for water tightnessb' means of water pressure maintained for not less than ( minutes. Testingshall be carried out from manhole to manhole. ll pipes shall be sub$ect to a testpressure of 1./ meter head of water. The test pressure will however, not exceed meters head at an' point. The pipes shall be plugged preferabl' with

standard design plugs or with rubber plugs on both sides, the upper end shall,however, be connected to a pipe for filling with water and getting the re3uiredhead poured at one time.Sewer lines shall be tested for a straightness b'

i% -nserting a smooth ball 10mm less than the internal diameter of the pipe. -n

the absence of obstructions such as 'arn or mortar pro$ecting at the $ointsthe ball should roll down the invert of the pipe and emerge at the lowerend.

ii% )eans of a mirror at one end and a lamp at the other end. -f the pipe isstraight the full circle of light will be seen otherwise obstructions ordeviations will be apparent.

iii% The contractor shall give a smoke test to the drain and sewer at hisown expense and charges, if directed b' the rchitect.

iv% test register shall be maintained which shall be signed and dated b'

contractor, rchitect and representative of consultants.Architects :- SJS Consultants + Consultants: PDS Consultants


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4'; CONSTR6CTION O, M N O2E

>here manholes are to be constructed, the excavation, filling back andramming, disposal of surplus earth, preparation of bottom and sides etc. shall

be carried out as described earlier under trench excavation. )anhole shall besiBed and depths as called for in the drawings and Schedule of Quantities.

The manhole shall be built on a base concrete 1 0 of 1/(mm thickness formanholes upto 1/((mm depth and 0/(mm thickness for manholes from 1/(( to0/((mm depth and ((mm thickness manholes of depth greater than 0/((mm.;einforcement as shown shall be provided in the base slabs. The walls shall beof brick work of thickness as shown in drawings built in cement mortar 1 /. The

$oints of brick work shall be raked and plastered internall' and externall' withcement plaster 1 to a thickness of 0(mm and finished with a coat of neatcement. -n the bottom of the manholes, semi circular channels of the same

diameter as the pipes shall be provided.

bove the horiBontal diameter the sides of channel shall be extendedverticall' to the same level as the crown of the outgoing pipe and the top edgeshall be suitabl' rounded off. The branch channels shall also be similarl'constructed with respect to the benching but at their $unction with the mainchannel an appropriate fall suitabl' rounded of in the direction of flow in themain channel shall be given. ;ungs of cast or mild steel of suitable dimensionsshall be provided in all manholes over 2((mm depth. These rungs shall be set at(cms interval in two vertical runs at 2(mm apart horiBontall'. The top rungshall be /(mm below the manhole cover. 9nless otherwise mentioned,

manholes shall be constructed to re3uirements of -ndian Standard -S 111 "#art-%. ll manholes shall be constructed so as to be water tight under test. llangles shall be rounded to a */mm radius with cement plaster 0(mm thick. Thebenching at the side shall be carried up in such manner as to provide nolodgment for an' splashing in case of accidental flooding. )anhole coverwith frame shall be S7;C of an approved make. The covers and frame shallgenerall' be double seal as specified in the Schedule of Quantities.

/.0 Measurements0

)anhole shall be measured in numbers as indicated in the


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<


28/31


(6M(S

#ump shall be coupled end+suction design directl' connected to motor. The pumpshall have C.-. bod'. -mpeller shall be


29/31


#umps, where used, shall operate with high water level in sump and stop at lowwater level b' means of an electronic level controller.

.1.1 #umps for drainage shall be single stage, single entr'.

.1.0 #ump shall be C.-. casing and C.-. two vane open t'pe with a d'namicall'balanced impeller connected to a common shaft of the motor. The vane forsewage pump will be open t'pe, while for drainage pump, etc. it will be ofsemi open t'pe.

.1. Stuffing box shall be provided with mechanical seals.

.1. 5ach pump shall be provided with air cooled s3uirrel cage inductionmotor suitable for 1/ volts, phase, /( 6B .C. power suppl'.

.1./ 5ach pump shall be provided with inbuilt li3uid level controller foroperating the pump between predetermined levels.

.1. The pumping set shall be for stationar' application and shall beprovided with pump connector unit. The deliver' pipe shall be $oined tothe pump through a rubber diaphragm, and bend and guide pipe for eas'installation.

.1.* #ump shall be provided with all accessories and devices necessar'and re3uired for the pump to make a complete working s'stem.

. A5=5A C! T;!AA5; #rovide and install low voltage transistorised level controllers as specified below.5ach level controller shall be provided with re3uired number of #=C sheathedstainless steel probes. . ll sumps shall be provided with two pumps, one

running and one standb'. The pump panel shall be provided with an uto8!ff8)anual and a pump selector switch. t high water level conditions thepump selected b' the selector switch will first start automaticall'. -f for somereason the level continues to rise, the second pump would start automaticall' atextra high level. -f for some reason the level of water in the sump continues torise then a third sensor would provide an audio visual alarm at specified point.

=-


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of each pump. Aength of the connector shall be as per manufacturers details.7lexible connector shall of approved make onl'.

2IST O, ((ROVED M TERI 2 IN ORDER O, (RE,ER NCE

a% ll materials and product used in the works shall conform to the relevantstandards 8 specification and shall be of approved make and design. list of approvedmanufacture 8 vendors is given herein below. The approval of a manufacture 8 vendorshall be given onl' after review of the sample 8 specimen b' the 5ngineer+-n+Charge.The complete s'stem and installation shall be in conformit' with the D pplicable CodesStandards and #ublicationE.

b% Aist of pproval makes for #roduct, )aterials and specialist agencies is given below.!ther e3uivalent manufacture ma' be considered with prior approvalO however thedecision of the 5ngineer+-n+Charge shall be final.

c% The Contractor while 3uoting shall 3uote for first make onl'. 6owever at the time ofexecution, if first make is not available, then the other makes ma' be considered withprior approval from 5ngineer -n charge8 Consultant8 rchitects. 6owever the decision ofthe 5ngineer+-n+Charge shall be final.

Architects :- SJS Consultants *6 Consultants: PDS Consultants


31/31

Project:- Proposed Residential Colony "Impact Regency" at G.T. Road Bey-Pass Vill.VallahAmritsar S'No' Item Des"ription ,irst

(re%eren"esOther (re%eren"es

(I(E & ,ITTING (VC /G'I'1 :.-. #ipes 8).S.#ipes -S

10 48 /24J- @ A6-SS ;

T T 8#; G S6 S9;H

0 6@#5 pipes and 7ittings !;-#A ST J - 8#;- C587- !A5P:arden -rrigation S'stem J - J - 86 ;=5A:.-.7ittings ")alleable castiron%

!A!T!@;#89 -G

/ Check =alves "@ual #latet'pe%

!A!T! -#8 @9C!

-;58-S-4 C.-. )anhole cover & frame

-S 1*05C! 5C!8S;-78SG78;-7

1( )anhole Covers & 7rameS7;C GG )anholes GG )anholes or 53uivalent

11 nti corrosive tape for pipeprotection

#H#G!T5 ) G#!AHG!T5

10 nticorrosive ater Suppl' Gro2nd5oss (ilo 7 1B7 I;'1 AR

1 ir dmittance valves )c A#- 5 ST9@!;


spec external plumbing

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