glk14-106-er-

7/17/2019 GLK14-106-ER-

http://slidepdf.com/reader/full/glk14-106-er- 1/7

CADANGAN PEMBANGUNAN PERINDUSTRIAN SEDERHANA RINGAN

EARTHWORK REPORT

Table of Content

1 INTRODUCTION..................................................................................2

2 DESIGN INFORMATION.......................................................................4

2.1 4

2.2 Des!n C"te"a...........................................................................4

#.# Ea"t$%o"& Platfo"' Des!n an( )*antt+ Cal,*laton....................-

#.4 Se('ent T"a Des!n................................................................./

#.- Ot$e" E"oson an( Se('ent Cont"ol Meas*"es............................./

4 CONC0USION.....................................................................................

AP P ENDI A Topographical Survey Plan &Site Layout Plan

APPENDI BEarthwork Volume Calculation

APPENDI C

Sediment Basin Design

Page ! o" #

7/17/2019 GLK14-106-ER-



EARTHWORK REPORT

1 INTRODUCTION

This report highlights the consideration and assumptions made in thedesign o" earthwork system "or the proposed $ndustrial %arehousedevelopment which comprises types o" warehouses and ! unit T'Bsu(station) at L*T PT +,-, .ukim Teluk /alung) /emamam TerangganuDarul $man0

The developer o" this pro1ect) D*ta 3las& S(n. B$( has appointed 3UAsso,ates M5 S(n. B$(. as the Civil & Structural Engineer "or thispro1ect0 2or the purpose o" in"rastructure plan su(mission) this reportpresents the earthwork design o" the pro1ect0

P"o6e,t 0o,aton

The site is located on the right side o" State 3oad 4alan /emaman5Dungun0 The site location map is as shown in 2igure ! (elow0

F!*"e 1 7 Ste 0o,aton Plan H!$l!$te(5

Page o" #

Ste 0o,aton

7/17/2019 GLK14-106-ER-



EARTHWORK REPORT

P"o6e,t Des,"ton

types o" warehouses and ! unit o" T'B6s su(station will (e develop sharing

the same in"rastructure such as road) drainage and utilities with surroundinge7isting industrial (uildings0

The plat"orm level will (e designed to match with the developed surrounding0

Ste D"a%n!s

The site layout plan and the topographical survey plan are presented inAen(8 A "or re"erence0 The plan area encompassed (y the (oundary "orthe development is appro7imately !0-- ha0 with ground level generally 809m

3L0 The :nished road level o" the site is 80#8m 3L which will match thee7isting road level0

2 SCOPE OF 9OR3

This report covers main areas o" earthwork design;

<a= Earthwork Plat"orm Design

Based on the plat"orm design criteria) propose plat"orm levels "or (uildings)roads and open area "or the new development0

<(= Erosion and Sediment Control

Propose measures (ased on the re>uirements set (y ?@r(an Stormwater.anagement .anual "or .alaysiaA <.S.= to control erosion andsedimentation during earthwork construction0

# EARTH9OR3 DESIGN

Page 8 o" #

7/17/2019 GLK14-106-ER-



EARTHWORK REPORT

Refe"en,e

The proposed erosion and sediment control measures re"er to the guidelinesset out in Volume 15 “Construction Sediment BMPs” of the UrbanStormwater Management Manual for Malaysia by !e"artment of #rrigationan !rainage$ Malaysia %&'''(0

Des!n C"te"a

The earth plat"orm design criteria are as "ollows;

<a= The proposed new plat"orm levels "or (uildings shall (e a(ove theood level "or the development area as o(tained "rom 4PS0

<(= The proposed new plat"orm levels shall take into consideration thee7isting surrounding plat"orm levels0

<c= The proposed plat"orm levels shall provide sucient gradient "or thesite drainage system to discharge sur"ace runo to a :nal dischargepoint0

<d= The cut and :ll >uantity calculation shall allow a !-F "actor "or

swelling and shrinkage o" earth0

The sediment trap design criteria are as (elow;

<a= Construction Period G years<(= SiHing (ased on dry sediment trap design<c= Soil type C <coarse grained sand) sandy loam=<d= Sediment storage Hone is at least -08 m deep<e= To (e located as close as possi(le to :nal discharge point

<downstream=<"= Shall (e servicea(le until at least 9-F o" contri(uting catchment has

(een sta(ilised<g= Design Storm I 8 month 3$ o" a series o" recorded rain"all<h= Peak ow estimation using 3ational .ethod

Page , o" #

7/17/2019 GLK14-106-ER-



EARTHWORK REPORT

Ea"t$%o"& Platfo"' Des!n an( )*antt+ Cal,*laton

Based on the Topographical Survey Plan in Aen(8 A) the e7isting site

terrain is relatively at with reduced level ranging "rom !09-m to 0-m0

The new levels are proposed to match the e7isting surrounding plat"ormJroadlevels as (elow0

A"ea

P"oose(Ea"t$ Platfo"'

0e:el' R05

P"oose(Fns$e( 0e:el

' R05

Keneral ,0!8 ,0!8

Building ,0!8 ,0+

3oad ,0!8 80#8

The cut and :ll earth volume is calculated using a computer so"tware called Terramodel <Version !-0,!=0 The earth volumes can (e calculated usingaverage end area method or the higher accuracy sur"ace to sur"ace method0

!-F swelling and shrinkage "actor is applied in the calculation0 The detail

earthwork volume report is attached in Aen(8 B together with theproposed plat"orm layout "or analysis0 The results are summarised (elow;

Total 2ill uantity <m8= M)8--

Total Cut uantity <m8=

Balance 2ill to (e imported <m8= M)8--

Se('ent T"a Des!n

Based on the provision in Section 890#0,<d= and Section 890#0N<d= o" .S.)the sediment trap is siHed as calculation in Aen(8 C0 The outlet control is

Page M o" #

7/17/2019 GLK14-106-ER-



EARTHWORK REPORT

designed (ased on 8 months 3$ rain"all with peak ow calculated using3ational .ethod0

The sediment trap is designed (ased on the design criteria "or dry Sediment Trap where(y the designed storm is taken as the 8 month 3$ rain"all data0

The dimensions o" the sediment trap can (e summarised in the ta(le (elow;

Top o" water level dimension<width 7 length=

8! m 7 !, m

Base o" pond dimension<width 7 length=

N m 7 9 m

Settling Oone Depth <m= -0N mStorage Oone Depth <m= -0# m

Total pond depth with

"ree(oard

!09 m

*utlet pipe siHe !M-mm dia0Emergency spillway siHing !0M m 7 -08 m

The sediment trap is located at the downstream o" the temporary drainagesystem "or the site) 1ust (e"ore the :nal discharge to e7isting drain as shownin the Earthwork Layout Plan0 owever due to low invert level at thedischarge point) gravity ow is not possi(le at the outlet0 ence) a pump or aseries o" pumps with minimum com(ined capacity o" N litres per second isre>uired to (e operated when the pond is "ull0

Ot$e" E"oson an( Se('ent Cont"ol Meas*"es

mong the other erosion and sediment control measures proposed "or thisdevelopment are;

<a= T*";n! Q Spot tur:ng and close tur:ng are encouraged to (e carriedout as soon as the plat"orm is completed to sta(ilised the e7posedsoil) especially at slopes0

<(= Te'o"a"+ Ea"t$ D"an Q network o" temporary earth drain is

proposed to channel sur"ace runo to the sediment trap<c= Ea"t$ b*n( o" Ea"t$ ban& Q Earth (unds are used to prevent runo "rom owing to undistur(ed or ad1acent properties neigh(ouring thesite0

<d= 9as$ T"o*!$ Q This washing "acility is provided at the site e7it toclean vehicles wheels (e"ore e7iting the site0 This measure is toprevent soiling o" pu(lic roads and reduce dust pollution0

<e= C$e,& Da' Q rock :lter (erms are placed across the (ase o" temporary earth drain to create a temporary dam to reduce watervelocity in the drain0 This helps to reduce erosion o" the temporaryearth drain where water velocity is higher than -0NmJs0

Page N o" #

7/17/2019 GLK14-106-ER-



EARTHWORK REPORT

4 CONC0USION

The earth plat"orm levels "or general) (uilding and road area have (een designed

mostly to match the ad1oining e7isting roads and plat"orms0 The e7isting main roadlevel is taken as a(ove the ood level0

The earth cut and :ll >uantity is calculated with a (alance :ll o" a(out N)MM- m80

lso proposed are sediment traps) wash through) temporary earth drains) earth(unds) and tur:ng as measures to check on the soil erosion as a result o" e7posing(are earth during earthwork construction0 The design o" the sediment trap is inre"erence to the provision in .S.0

Page # o" #

glk14-106-er-

Documents