College of Social Sciences, College of law, College of Shari’a & Islamic Studies, Pray Area and Faculty Club(1 SA!A" A#$ SA#% 'I)%*SI+ CI+, -'.AI+ -'.AI+ 'I)%*SI+ ' I)%*SI+ %+"/0 S+A+%%+ S+A+%%+ F/* IS+A##A+I/ A0 +%S+I /F "0P% PIP%S & FI++IS (S2ecification (S2ecification Section 13415
Doc.No: KU/SPCL/NBTC/PL-01
Date: 12.09.2015
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College of Social Sciences, College of law, College of Shari’a & Islamic Studies, Pray Area and Faculty Club(1 SA!A" A#$ SA#% 'I)%*SI+ CI+, -'.AI+ 'I)%*SI+ %+"/0 S+A+%%+ F/* IS+A##A+I/ A0 +%S+I /F "0P% PIP%S & FI++IS (S2ecification Section 13415
Doc.No: KU/SPCL/NBTC/PL-01
Date: 12.09.2015
195
I+*/0'C+I/6
This Method Statement specifies the Installation and testing procedures for HDPE Soil, Waste, Vent and ain !ater " Storm !ater drainage pipes # $ittings% :95
SC/P%6
The aim of the method statement is to set out the procedures, precautions to o&ser'e during unloading, storage, shifting of pipes to desired locations, Installation and Testing Se(uence for )&o'e # *elo! grade HDPE Pipes and $ittings% )ll !or+s shall &e carried out in accordance to Site Safet rules and regulations as guided & the Engineer, This method statement shall &e read in con-unction !ith the applica&le pro-ect specification and testing% ;95
./*-S S%8'%C% A0 %+"/0/#/6
;91
Se
Abo>e rade6 ("igh le>el Scaffolding% Mar+ing the laout and routing of pipes% Drilling for supports Installation of pipes !ith proper le'el # alignment Pipe -oining installation% Inspection for pipe"fitting Installation% Testing
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College of Social Sciences, College of law, College of Shari’a & Islamic Studies, Pray Area and Faculty Club(1 SA!A" A#$ SA#% 'I)%*SI+ CI+, -'.AI+ 'I)%*SI+ %+"/0 S+A+%%+ F/* IS+A##A+I/ A0 +%S+I /F "0P% PIP%S & FI++IS (S2ecification Section 13415
Doc.No: KU/SPCL/NBTC/PL-01
Date: 12.09.2015
;9:
aterials recei2t, "andling & Storage
;9:919 aterial *ecei2t6 The materials recei'ed at site stores " site shall &e chec+ed for manufacture details, as per deli'er note and appro'ed material su&mittal to ensure deli'er is correct%
Details of the material receipt !ill &e con'eed to the MEP Pro-ect Engineer and ualit Engineer%
elated material information2s !ill &e con'eed to the Engineer and !ill &e integrated !ith re(uirements and procedures of the Engineer ;9:9:9 aterial "andling6 3se hand glo'es for shifting " unloading " loading " handling, etc%
3nload pipe &undles mechanicall, use manual lifting or for+lift as per the site facilit a'aila&le% If the pipes arri'e at site in loose form, it can &e unloaded manuall%
Pipes and fittings shall not &e drag or drop% Pipes and pipe fittings shall &e handled as per the manufacturer2s instructions%
Pipes shall &e distri&uted to the installation site onl in such (uantities as can &e installed in one !or+ing da or as allo!ed & the Engineer% ;9:9;9 aterial Storage6 Pipes should &e laid on a reasona&l flat surface free from large stones or sharp pro-ection
)ll Pipes shall &e co'ered and shall not &e e.posed to direct sunlight%
Pipes stac+s should not e.ceed se'en laers or 0 meters in height%
Ma+e sure pipes are stac+ed in a pramid manner or ma+e sure the pipes are stac+ed properl !ith supports at &oth sides% ;9;9
%?ecution
;9;91
Pre2aratory .or=s 4hec+ the a'aila&ilit of latest appro'ed !or+ing dra!ing%
4hec+ !hether the area is clear for installation%
e'ie! the is+ assessment !ith the current site conditions% Page 5 of 6
College of Social Sciences, College of law, College of Shari’a & Islamic Studies, Pray Area and Faculty Club(1 SA!A" A#$ SA#% 'I)%*SI+ CI+, -'.AI+ 'I)%*SI+ %+"/0 S+A+%%+ F/* IS+A##A+I/ A0 +%S+I /F "0P% PIP%S & FI++IS (S2ecification Section 13415
Doc.No: KU/SPCL/NBTC/PL-01
Date: 12.09.2015
4hec+ the sie and class of pipes as per dra!ing " Material Su&mittal%
4hec+ for an phsical damage to the pipes and fittings%
Mar+ the location of trench preparation for laing pipes%
Ma+e sure that the pipe or fittings are dr, clean and free from grit for pipe fittings%
;9;9:9 +rench Pre2aration and Su22orts efer Method Statement for E.ca'ation and *ac+filling for Pipes, !hich !ill co'ers all the acti'ities related to trench preparation, e.ecution, trench supporting, inspection of trench &efore and after trench preparation etc%
The trench should not &e e.ca'ated too far in ad'ance of pipe laing and should &e &ac+filled as soon as possi&le% Trench !idths should &e narro! as practica&le &ut not less than pipe 7D plus 588mm to ena&le proper compaction of side fill%
$uture pro'ision for floor drain, )rea drain, Trench drain, W4 outlets, 7il # 9rease Interceptor should &e coordinated !ith steel structure !or+s%
The !ooden &o. shall &e pro'ided for future pro'isions !ith re(uired sies # location as per the appro'ed dra!ing &efore concreting !or+s%
Preparation of Pipe Supports at specified inter'als and designated le'els as per appro'ed piping laout shall &e completed &efore Pipe Installations inside the trench% ;9;9;9
"0P% Pi2e & Fitting Installation 4ut the pipe to the re(uired length !ith a pipe cutting tool as per manufacturer recommendations%
Ma+e sure that pipes are cut properl to :8;%
De<&urr the edges, clean &oth end of the pipe and fittings for necessar thermal fusion%
Position the pipe in the raft foundation at gi'en " re(uired le'el as per appro'ed construction dra!ing and 'erif it !ith le'eling instrument%
Ma+e sure that pipe # fitting are correctl aligned%
Pipes are -oined together & &utt !elding # electro fusion !elding !ill &e applied !here'er re(uired% Page = of 6
College of Social Sciences, College of law, College of Shari’a & Islamic Studies, Pray Area and Faculty Club(1 SA!A" A#$ SA#% 'I)%*SI+ CI+, -'.AI+ 'I)%*SI+ %+"/0 S+A+%%+ F/* IS+A##A+I/ A0 +%S+I /F "0P% PIP%S & FI++IS (S2ecification Section 13415
Doc.No: KU/SPCL/NBTC/PL-01
Date: 12.09.2015
188> Visual inspection !ill &e carried out for all fusion -oints%
7n completion of each pipe section, chec+ and ad-ust if necessar to ensure the proper le'el and alignment of pipe then fi. proper clamp to maintain its location # le'el
)fter completing the pipe !or+s, compression tpe ru&&er plugs !ith &leeding caps to &e installed for drain outlets # one outlet to &e e.tended to 5 mtr height for testing%
Installation chec+ list to &e issued for consultant appro'al%
;9;949 "ydro static test6
$lush the all drainage pipes !ith clean !ater to remo'e all dirt " de&ris &efore conducting the hdrostatic test%
)ll openings in the piping !ill &e tightl closed & compression tpe ru&&er plug !ith &leeding caps and the sstem filled !ith !ater to the point of o'erflo! from the highest point% The plugs can &e temporall opened & using &leeding caps to ma+e sure that all air has &een 'ented and that !ater has reached all parts of the sstem%
The se!er or drain under test should &e left !ith filled !ater for 1 ? 0 hours% If an lea+s in -oints or e'idence of defecti'e pipe or fittings are re'ealed, the defecti'e pipe " fitting should &e immediatel replaced !ith ne! -oints and appro'ed materials%
During the !ater test, strutting precautions should &e ta+en to pre'ent an mo'ement of the drain or se!er%
)fter the correction is made, the test pressure !ill &e maintained for minimum 1 hour and !itnessed & )"4 Engineer% 495
*%SP/SI!I#I+I%S6
49191
Site %ngineer
He shall &e responsi&le for the complete acti'it including, &ut not limited to@ Wor+ planning and ris+ assessment at !or+ place% 4oordinate all super'isors, foremen% ensuring that the o&ser'e the re(uirements pertaining to Safet and ualit for this !or+% Manage manpo!er, e(uipment and materials for safe and timel completion of !or+% Ensure the (ualit of !or+ as per the appro'ed shop dra!ings, specification and recommendations% Stage inspection and notification to 4 and the Engineer as applica&le% Page A of 6
College of Social Sciences, College of law, College of Shari’a & Islamic Studies, Pray Area and Faculty Club(1 SA!A" A#$ SA#% 'I)%*SI+ CI+, -'.AI+ 'I)%*SI+ %+"/0 S+A+%%+ F/* IS+A##A+I/ A0 +%S+I /F "0P% PIP%S & FI++IS (S2ecification Section 13415
Doc.No: KU/SPCL/NBTC/PL-01
Date: 12.09.2015
Ta+ing action to closing non conformances reports% ensuring that tool &o. tal+s are conducted regularl & super'isors% Ensure that method statement is follo!ed strictl and implemented at site% To prepare dail progress report and send to planning, area manager and other related concerns% 4919:9
Site Su2er>isor @ Foreman
4onducting Tool *o. tal+s to e.plain the !or+ procedure and maintain safet guidelines% Ensure that latest shop dra!ings are &eing used at site% 7rganiing all necessar material, tools, e(uipment to the !or+ site and assigning !or+man cre! prior to commencement of !or+% 4onfirming materials used at site are as per appro'ed Material Su&mittal%
4919;9 8C %ngineer @ Ins2ector
4 Engineer shall &e o'erall responsi&le for 4 acti'ities% He shall &e responsi&le for the e.ecution techni(ues and control !ith respect to this Method Statement and reference documents% Witnessing all 4hec+s " Tests% Maintaining records of cali&ration, inspection and testing e(uipment% Documentation of test records and stage inspection% eporting and monitoring of non
491949 /ther %?ecution Personnel 4ompetent Plum&ers Stores Personnel
395
SAF%+6
Inspect !or+ area # appl safet measures B!arning tape, safet &arriers and sign&oardC and ensure a'aila&ilit of first aid &o. prior to start an acti'it at site% Ensure that all Plum&ers " )ssistant plum&ers use all safet tools% BSafet &elt, 9oggles, 9lo'es, Helmets, safet shoes etc%C Trained " E.perienced la&ors to &e utilied for insta llation of scaffolding # the same to &e chec+ed & safet representati'e% Wor+ site shall &e +ept clean and tid # ensure house+eeping on dail &asis &efore lea'ing -o& site% E.tra lighting arrangements to &e pro'ided during night shift #dull da light time as additional safet re(uirement%
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