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Hydrometeorological System Support Project January 17, 2016

1

Tender Documents for Drilling, Logging, Construction and Testing of

Groundwater Monitoring Wells and Well Rehabilitation Works

Clarification 1

a) Chapter 3.1.2 Scope of work

Line 2 Replace “6000” with “5530” and Line 11 Replace “10 wells will be subject to

pumping test” with “9 wells will be subject to pumping test”

b) Chapter 3.4.1 Type of well

Line 2 and line 3 Replace “10 selected wells” with “9 selected wells” and “The 10

wells selected for pumping tests in order to determine the aquifer parameters

require a 10 ¾” diameter casing in order to enable the insertion of a pump (at least

in the upper part of the well).” with “The 9 wells selected for pumping tests in

order to determine the aquifer parameters require a 9 5/8” diameter casing in

order to enable the insertion of a pump (at least in the upper part of the well).”

c) Chapter 3.4.5.1 Well Casings

Replace 10 3/4” with 9 5/8’’ and consider the following well casing specifications:

Casing specifications

1. 14" Casing: 14 " OD, carbon steel , API, 5L, 45.61 lb/ft., bevelled, R III

2. 9 5/8" Casing: 9.625" OD , carbon steel, API , 5L , 31.2 lb / ft. , bevelled, R III

3. 6 5/8" Casing: 6 5/8 " OD , carbon steel, API , 5L , 17.02 lb/ft., bevelled, R III

d) Chapter 3.4.5.2 Well Screens

Replace 10 3/4” with 9 5/8’’ wherever mentioned. uPVC is not required. Consider

the following well screen specifications:

Screen specifications

a) 9 5/8" Pipe base Screen: Pipe base :9 5/8 " OD , Carbon steel casing to API 5CT, J /K 55 , seamless, BTC , 32.3 lb / ft , R III

Open area : not less than 12 %

Jacket: Stainless steel 304, slot size 0.015"

b) 6 5/8" Pipe base Screen: Pipe base: 6 5/8 “OD API, 5 CT, 20 lb/ft., J /K 55, seamless. BTC, R III

Open area : not less than 12 %

Jacket: Stainless steel 304, slot size 0.015"


2

e) Chapter 3.4.5 Well Construction Materials

Add Chapter 3.4.5.6 (deviation survey), verticality of well shall be checked every

50m with deviation survey not exceeding 2 degrees.

f) Chapter 3.4.6.1 Preliminary Well Design 1P-wide Diameter/ Wide diameter for

Pumping Tests

Step 1, Add: deviation survey shall not exceed 2 degrees

Step 4, Add: deviation survey every 50m of drilling

Step 5, Replace “Gamma-Gamma and Neutron” with “Sonic tools log”

Step 6, Replace casing and screen 10 3/4” with 9 5/8”diameter

Step 7, Replace “Mandatory stand-by for 24 hours for curing of cement

(WOC).” with “Consider Cement job for the first 15m below surface”

Step 8, Cancel Step 8 (CCL and CBL logs are not required)

g) Chapter 3.4.6.2 Preliminary Well Design 2/2P-Telescopic Design/ Telescopic

Design for Pumping Tests




Step 6, Replace casing and screen 10 3/4” with 9 5/8”diameter

Step 9, Consider full geophysical borehole logs as step 5 in section 8 1/2”

borehole before casing installation.

h) Chapter 3.4.6.3 Well Design 3- Narrow Diameter




Step 7, Replace “Mandatory stand-by for 24 hours for curing of cement

(WOC).” with “Consider Cement job for the first 15m below surface”.

Step 8, Cancel: Step 8 (CCL and CBL logs are not required)

i) Chapter 3.4.7 Geophysical Borehole Logging

Replace “Gamma-Gamma and Neutron” with “Sonic tools log” wherever

mentioned in the tender document

CCL and CBL log are required only for design 2 and 2P.

Spectral Gamma log is not required and shall be cancelled wherever

mentioned in the tender document

j) Chapter 3.4.9 Well site completion

Cancel step 3 of disinfection operation

k) Chapter 3.6.2.6 Testing procedures and measurements

Line 3 Replace “by air-lift” with “by submersible pump”

l) Chapter 4.2 Bill of Quantities – Drilling of New Wells

Replace the original BOQ 4.2 with the following updated BOQ. 4.2.

Bidders shall now only fill in the updated BOQ 4.2 table given below.


3

S.N. Drilling of New Wells Unit Estimated

Quantity

Unit Price

(EUR)

Total

(EUR)

See also Preamble of Bill of Quantities/Pricing Schedule for details and conditions

1 Mobilization and Preparation

1.1

General Mobilization and demobilization of manpower and equipment

from workshop to the Project area (2 basecamps, 1 in the North, 1 in the

Disi area)

L.S. 1

1.2 Intra-Site Mobilization: Moving rig and necessary equipment a short

distance from well to well No. 20

1.3 Mobilization and demobilization of CCTV well inspection manpower and

equipment, to first site and then intra-site No. 20

1.4 Mobilization and demobilization of geophysical logging manpower and


1.5 Mobilization and demobilization of pumping test manpower and


2 Drilling (according to specifications in Section 3)

2.1 Drilling with Ø 17 ½” bit (designs 1P, 2, 2P, 3) m 500

2.2 Drilling with Ø 12 ¼” bit (designs 1P, 2, 2P) m 2355

2.3 Drilling with Ø 8 ½” bit (design 3) m 2675

3 Casing and Screens, Construction (according to specifications in Section

3)

3.1 Casing

3.1.1 Supply and Installation 14" Casing, carbon steel (“conductor pipe”) – all

designs m 500

3.1.2 Annular cement job 17 1/2" Hole x 14" casing.- all designs m 500

3.1.3 Supply and Installation 9 5/8" blank casing, carbon steel (designs 1P, 2, 2P) m 2465

3.1.4 Supply and Installation 9 5/8" wire wrapped screen, stainless steel

(designs 1P) m 190

3.1.5 Supply and Installation 6 5/8" blank casing, carbon steel (designs 2, 2P,3)

incl. 10 meter overlap for telescopic design (2, 2P) m 1995

3.1.8 Supply and Installation 6 5/8" torch slotted screen, carbon steel m 730

3.1.9 Supply and Installation 6 5/8" wire wrapped screen stainless steel (design

2P and 3) m 135

3.1.10 Supply and installation of 9 5/8 “ bottom cap (design 1P) No. 5


4

3.1.12 Supply and installation of 6 5/8 “ bottom cap (designs 2, 2P, 3) No. 15

3.2 Supply and installation of steel centralizers every 10m (all designs) No. 553

3.3 Supply and installation of K-packer for telescopic well design (design 2 and

2P) No. 5

3.4 Cement

3.4.1

Cement (API Spec 10A Class G Sulfate resistant or ASTM C150, Type 5) for

annulus between 14’’ conductor casing and 9 5/8” casing (design 2 and

design 2P)

m 300

3.4.2


annulus between 14’’ conductor casing and 9 5/8” casing 15m below

surface (design 1P)

m 75

3.4.3 Cement (API Spec 10A Class G Sulfate resistant or ASTM C150, Type 5) for

annulus between 12 1/4’’ borehole and 9 5/8”casing (design 2 and 2P) m 1595

3.4.4


annulus between 14’’ conductor casing and 6 5/8’’ casing 15m below

surface

m 150

4 Developing, Logging, Testing (according to specifications in Section 3)

4.1 Installation and removal of logging equipment, incl. manpower for

operation and monitoring, consumables and devices No. 20

4.2 Run full geophysical logging suite (for different casing diameters) incl.

documentation No. 20

4.3 Well Development with pumping, using straddle packer (double packer) h 670

4.4 Water sampling (chemical, physical and bacteriological) No. 20

4.5 CCTV inspection of well (only wells with wire-wrapped screen) No. 7

5 Completion (according to specifications in Section 3)

5.1 Well Site Completion (according to specifications) No. 20

5.2 As-built topographic survey of a site using DGPS method No. 20

5.3 Supply and installation of well head concrete pad for existing wells

(according to specifications) No. 10

Total (Drilling of New Wells):


5

m) Chapter 4.3 Bill of Quantities –Well Rehabilitation Works



S.N. Well Rehabilitation Works Unit Estimated

Quantity

Unit Price

(EUR)

Total

(EUR)



1.1 General Mobilization and demobilization of manpower and equipment

from workshop to study area L.S. 1



2 Rehabilitation Measures (according to specifications in Section 3.5)

2.1 CCTV inspection of well No. 12

2.2 Brushing of the complete screened well liner section at various levels No. 12

2.4 Chemical treatment of a well with suitable products in wells

2.4.1 Chemical treatment of a well with up to 10m3 of HCl (20-30%)

(“Acidification job”) or equivalent reactive chemical for well treatment. No. 12

2.4.2 Chemical treatment of a well with up to 500kg of Sodium TriPoly

Phosphate No. 12

2.5 Jetting h 12

2.6 Fishing operations (includes fabrication of tool and standby) h 12

2.7 Air surging h 12

Total (Well Rehabilitation Works):


6

n) Chapter 4.4 Bill of Quantities –Well Pumping Tests



S.N. Well Pumping Tests Unit Estimated

Quantity

Unit Price

(EUR)

Total

(EUR)



1.1 General Mobilization and demobilization of manpower and equipment

from workshop to study area L.S. 1



2 Short Duration Discharge Test (according to specifications in Section 3.6)

2.1

Carrying out of a 4-step discharge test with suitable submersible pump,

each step 3 hours at 4 increasing yields, incl. monitoring of the water level

and water quality parameters (T, pH, Eh and turbidity); before

commencement install irremovable reference point next to the borehole

casing as base for future measurements

No. 9

2.2 Observation and monitoring of the recovery of the water table for 24

hours No. 9

3 Long Duration Discharge test to be carried out after regeneration of the

well

3.1 Carrying out of a discharge test at constant yield, incl. monitoring of the

water level and water quality parameters (T, pH, Eh, and turbidity) h 432

3.2 Observation and monitoring of the recovery of the water table h 90

4 Water Quality Analysis

4.1 Physico-chemical water quality analysis of three samples per well, to be

taken by WAJ-Lab., parameter acc. To WAJ standards No. 9

4.2

Bacteriological water quality analysis of two samples per well (as per

specifications), to be taken by WAJ-Lab., parameters acc. to WAJ

standards

No. 9


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o) Annex C Table 2

Replace Annex C Table 2 with the following updated Annex C Table 2.

No. New station code Station Name

LongitudeWGS 84

LatitudeWGS 84

Altitude [m.a.s.l.]

Well depth [m.b.g.l.]

Targeted aquifer

Aquifer name Aquifer description Ground-water

Basin

1 GS_MAF_011_MWI_Jaber Jaber 36.1546 32.4993 639 300 A7/B2 Amman/Wadi

Es Sir

Limestone, dolomitic limestone and dolomite with intercalated beds of

sandy limestone, chalk, marl, gypsum, chert and phosphorite

Yarmouk

2 GS_IRB_007_MWI_Ramtha Ramtha 36.0094 32.5352 550 400 A7/B2 Amman/Wadi

Es Sir



Yarmouk

3 GS_ZAR_076_MWI_Azraq Azraq 36.9761 31.7880 527 70 B4/B5 Rijam/Shallala Chalk, chert and limestone which are jointed and fractured with solution

channels and cavities Azraq

4 GS_MAF_038_MWI_East Aqeb East Aqeb 36.9377 32.1478 826 400 A7/B2 Amman/Wadi

Es Sir



Azraq

5 GS_MAF_031_MWI_North

Corridor North

Corridor 36.5219 32.1970 731 300 A7/B2

Amman/Wadi Es Sir



Amman Zarqa

6 GS_MAF_028_MWI_West

Corridor West

Corridor 36.4305 32.2361 706 300 A7/B2

Amman/Wadi Es Sir



Amman Zarqa

7 GS_MAF_032_MWI_Central

Aqeb Central Aqeb

36.6872 32.1873 824 400 A7/B2 Amman/Wadi

Es Sir



Amman Zarqa


8


LongitudeWGS 84

LatitudeWGS 84

Altitude [m.a.s.l.]


Targeted aquifer


Basin

8 GS_MAF_024_MWI_South

Mukefteh South

Mukefteh 36.5970 32.2738 901 475 A7/B2

Amman/Wadi Es Sir



Amman Zarqa

9 GS_MAF_041_MWI_Basalt

Wellfield Basalt

Wellfield 36.8209 32.1295 780 380 A7/B2

Amman/Wadi Es Sir



Azraq

10 GS_MAF_021_MWI_King

Hussein Airport

King Hussein Airport

36.3147 32.3650 694 320 A7/B2 Amman/Wadi

Es Sir



Amman Zarqa

11 GS_BAL_073_MWI_South

Shuna South Shuna

35.5798 31.8252 -306 50 Alluvial Alluvial Sand, gravel, conglomerate,

sandstone, marl, travertine, limestone and evaporites

Jordan Valley

12 GS_KAR_093_MWI_North

Qatraneh North

Qatraneh 36.0499 31.2368 782 250 A7/B2

Amman/Wadi Es Sir



Dead Sea

13 GS_KAR_096_MWI_SE

Qatraneh SE Qatraneh 36.0467 31.2322 784 200 A7/B2

Amman/Wadi Es Sir



Dead Sea

14 GS_MAA_116_MWI_Shobak-

Udruh Shobak-Udruh

35.5817 30.4983 1320 200 A7/B2 Amman/Wadi

Es Sir



Araba North

15 GS_AQA_132_MWI_Al

Rashdeyeh Al

Rashdeyeh 35.2929 29.7331 760 275 Ram Ram

Sandstone interbedded with siltstone, mudstone, limestone and dolomite.

Araba South

16 GS_MWI_151_MWI_Disi_JO_K

SA_1 Disi_JO_KSA

_1 35.8316 29.2668 790 150 Ram Ram


Disi


9


LongitudeWGS 84

LatitudeWGS 84

Altitude [m.a.s.l.]


Targeted aquifer


Basin

17 GS_AQA_149_MWI_Disi_JO_K

SA_2 Disi_JO_KSA

_2 35.7465 29.3125 897 250 Ram Ram


Disi

18 GS_MAA_147_MWI_Disi_WF_

2 Disi_WF_2 35.8696 29.3664 794 250 Ram Ram


Disi

19 GS_AQA_148_MWI_Disi_WF_

3 Disi_WF_3 35.8970 29.4916 824 410 Ram Ram


Disi

20 GS_AQA_145_MWI_Disi_WF_

4 Disi_WF_4 35.6893 29.5196 824 150 Ram Ram


Disi

p) Annex C Table 3


No. New station code Aquifer

testing

Well

depth (m)

Well

design

Depth A

(m)

Depth B

(m)

Depth C

(m)

Depth D

(m)

Wire wrapped

screen

(m)

Slotted

screen

(m)

1 GS_MAF_011_MWI_Jaber No 300 3 300 50

2 GS_IRB_007_MWI_Ramtha No 400 2 325 400 75

3 GS_ZAR_076_MWI_Azraq No 70 3 70 30

4 GS_MAF_038_MWI_East Aqeb Yes 400 2P 350 400 50


10


testing

Well

depth (m)

Well

design

Depth A

(m)

Depth B

(m)

Depth C

(m)

Depth D

(m)

Wire wrapped

screen

(m)

Slotted

screen

(m)

5 GS_MAF_031_MWI_North

Corridor No 300 3 300 50

6 GS_MAF_028_MWI_West

Corridor No 300 3 300 50

7 GS_MAF_032_MWI_Central Aqeb Yes 400 2P 350 400 50

8 GS_MAF_024_MWI_South

Mukefteh No 475 3 475 65

9 GS_MAF_041_MWI_Basalt Well

field Yes 380 2P 320 380 60

10 GS_MAF_021_MWI_King Hussein

Airport No 320 3 320 70

11 GS_BAL_073_MWI_South Shuna No 50 3 50 25

12 GS_KAR_093_MWI_North

Qatraneh No 250 3 250 80

13 GS_KAR_096_MWI_SE Qatraneh No 200 3 200 100

14 GS_MAA_116_MWI_Shobak-

Udruh Yes 200 1P 200 60

15 GS_AQA_132_MWI_Al Rashdeyeh No 275 3 275 75

16 GS_MWI_151_MWI_Disi_JO_KSA

_1 Yes 150 1P 150 50


11


testing

Well

depth (m)

Well

design

Depth A

(m)

Depth B

(m)

Depth C

(m)

Depth D

(m)

Wire wrapped

screen

(m)

Slotted

screen

(m)

17 GS_AQA_149_MWI_Disi_JO_KSA

_2 Yes 250 1P 250 50

18 GS_MAA_147_MWI_Disi_WF_2 Yes 250 1P 250 50

19 GS_AQA_148_MWI_Disi_WF_3 Yes 410 2P 410 40

20 GS_AQA_145_MWI_Disi_WF_4 Yes 150 1P 150 40

q) Annex C Table 4


No. Station ID New station code Station Name Operator Longitude WGS 84

Latitude WGS 84

Altitude

[m.a.s.l.]

Well depth

[m.b.g.l.]

Depth of

obstacle [m]

Casing

diameter

approx. Aquifer

thickness

1 AB1338 GS_BAL_075_MWI_Naur

Obs.Well Naur Obs.Well MWI 35.65137 31.8159 -197 61 46 12” -

2 AD1149 GS_MAF_012_MWI_Turki

Faris Obs.(Somaya2)

Turki Faris

Obs.(Somaya2) MWI 36.2196 32.4680 598 289 181 18.62” 177

3 AL1040 GS_MAF_026_MWI_Za'tari

Monitoring

Tw5 / W. Za'tari

(Pp 157) MWI 36.2838 32.1901 597 165 110 10” 66

4 CA1011 GS_KAR_098_MWI_I'ssal

2(Observation)

I'ssal

2(Observation) MWI 35.5317 31.1999 -373 30 N/A 8.6” 39


12

No. Station ID New station code Station Name Operator Longitude WGS 84

Latitude WGS 84

Altitude

[m.a.s.l.]

Well depth

[m.b.g.l.]

Depth of

obstacle [m]

Casing

diameter

approx. Aquifer

thickness

5 CC1015 GS_MAD_081_MWI_Madaba

Waste Water 2 (Out)

Madaba Waste

Water 2 (Out) MWI 35.8096 31.7048 748 300 221 9.62” -

6 CD1136 GS_AMM_086_MWI_Dabb'a

No (S 70) Dabb'a No (S 70) MWI 36.0510 31.5263 729 201 191 no info 46

7 CD1152 GS_KAR_097_MWI_Lajjun No

2 Lajjun No 2 MWI 35.8219 31.2094 837 235 122 no info 108

8 CD1197 GS_AMM_082_MWI_Arainbe

h No 4(Obs.)

Arainbeh No

4(Obs.) MWI 35.9744 31.6568 718 305 249 no info 98

9 CD1213 GS_AMM_088_MWI_Um El

Rasas Obs. No 1

Um El Rasas Obs.

No 1 MWI 35.9723 31.4756 772 320 N/A no info 124

10 G 1342 GS_MAA_114_MWI_J.T. 3 /

Jafer Test Well

J.T. 3 / Jafer Test

Well MWI 36.2450 30.5342 923 296 N/A no info 258

OPTIONAL

11 CD3415 t.b.d. Lajjun KD5 35.8675 31.2306 770 N/A N/A N/A N/A

12 CD3479 t.b.d. Lajjun KSH5 35.8676 31.230 770 N/A N/A N/A N/A