Pages From Tech Specs Part-III -Civil &Structure
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Page 17 of 35 TECHNICAL SPECIFICATION PART – III, CIVIL, ARCHITECTURAL AND STRUCTURAL WORKS CONSTRUCTION OF NEW ELEVATED 11KV MAIN INTAKE (72MW) RAUDHATAIN-E SUBSTATION 3.19.5 Construct pathway and heavy duty interlock paving all around the substation building as shown on relevant drawings. The pathway shall be made of 80 mm thick pre-cast plain concrete coloured interlocking type paving tiles laid over 50 mm thick evenly spread layer of sand on compacted gatch. Pre-cast kerb stone shall be provided at the edge of pathway. Alternate pieces of kerb stones shall be painted in black and white enamel traffic paint suitable for outdoor application as kerbstone paint from an approved manufacturer. Remaining external areas within the boundary wall enclosure shall be paved with 80 mm thick heavy duty, pre-cast plain concrete, black, interlocking type paving blocks laid over a 50 mm thick evenly spread layer of sand on compacted gatch sloping away from the substation building as indicated on the relevant drawing to withstand the heavy vehicle load. Pre-cast paving tiles and kerbstones shall be manufactured by National Industries Co. or equivalent approved by the Company. 3.19.6 Supply, fabricate and install steel ladders with safety cage in accordance with KOC Standard drawing No. 55-02-57. Location and number of ladders shall be as shown on relevant drawings. 3.19.7 Supply, fabricate and install 3” dia schedule 40 pipe handrails for platforms and stair cases. Horizontal and vertical members of the hand rail shall be joined with min 6.0 mm fillet weld over complete length of the joint. Weld shall be free from ruts and burrs. The handrail shall be painted with minimum one (1) coat of red oxide primer and two (2) coats of gloss enamel paint of blue colour from an approved Manufacturer. The Contractor shall submit fixing details for the Superintendent’s approval. 3.19.8 Construct Reinforced Cement Concrete, non-slippery, access ramps as shown on the drawings by considering the heavy vehicle load during installation and maintenance operations. The ramp shall be treated with concrete hardener immediately after concreting or before the initial setting time of the concrete to have firm bonding as per Manufacture’s recommendation. 3.19.9 Design, Supply and Construct boundary wall in accordance with relevant drawings. Columns, ground beams and coping shall be fair-faced concrete painted as same as that of substation building beams/columns. In-fill shall be dark yellow colour 222 mm x 108 mm x 67 mm sand lime brick with thickness as shown in the project drawings to match the colour of sand lime brick of the substation building by National Industries Company or approved equal. Supply fabricate and install three (3) numbers 7.2 metre wide double leaf steel gates and three (3) numbers of pedestrian gates as shown in the relevant drawings. 3.19.10 Design, Supply, fabricate and install pre-engineered car parking shelter for parking six (6) cars in the Main Entrance at the location shown on the relevant drawings. Construction of car parking shed shall be in accordance with KOC Standard drawing No. 55-02-67. Also, six (6) nos. of asphalted open car parking shall be constructed on the rear entrance as shown in the drawings.
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Transcript of Pages From Tech Specs Part-III -Civil &Structure
Page 17 of 35 TECHNICAL SPECIFICATION PART III, CIVIL, ARCHITECTURAL AND STRUCTURAL WORKS CONSTRUCTION OF NEW ELEVATED 11KV MAIN INTAKE (72MW) RAUDHATAIN-E SUBSTATION 3.19.5Constructpathwayand heavyduty interlock pavingall around the substation building asshownonrelevantdrawings.Thepathwayshallbemadeof80mmthickpre-cast plainconcretecolouredinterlockingtypepavingtileslaidover50mmthickevenly spread layer of sand on compacted gatch.Pre-cast kerb stone shall be provided at the edgeofpathway.Alternatepiecesofkerbstonesshallbepaintedinblackandwhite enameltrafficpaintsuitableforoutdoorapplicationaskerbstonepaintfroman approved manufacturer. Remaining external areas within the boundary wall enclosure shallbepavedwith80mmthickheavyduty,pre-castplainconcrete,black, interlocking type paving blocks laid over a 50 mm thick evenly spread layer of sand oncompactedgatchslopingawayfromthesubstationbuildingasindicatedonthe relevantdrawingtowithstandtheheavyvehicleload.Pre-castpavingtilesand kerbstonesshallbemanufacturedbyNationalIndustriesCo.orequivalentapproved by the Company. 3.19.6Supply,fabricateandinstallsteelladderswithsafetycageinaccordancewithKOC Standard drawing No. 55-02-57.Location and number of ladders shall be as shown on relevant drawings. 3.19.7Supply,fabricateandinstall3diaschedule40pipehandrailsforplatformsandstair cases.Horizontalandverticalmembersofthehandrailshallbejoinedwithmin6.0 mmfilletweldovercompletelengthofthejoint.Weldshallbefreefromrutsand burrs.Thehandrailshallbepaintedwithminimumone(1)coatofredoxideprimer and two (2) coats of gloss enamel paint of blue colour from an approved Manufacturer.The Contractor shall submit fixing details for the Superintendents approval. 3.19.8ConstructReinforcedCementConcrete,non-slippery,accessrampsasshownonthe drawingsbyconsideringtheheavyvehicleloadduringinstallationandmaintenance operations.Therampshallbetreatedwithconcretehardenerimmediatelyafter concreting or before the initial setting time of the concrete to have firm bonding as per Manufactures recommendation. 3.19.9Design,SupplyandConstructboundarywallinaccordancewithrelevantdrawings.Columns, ground beams and coping shall be fair-faced concrete painted as same as that ofsubstationbuildingbeams/columns.In-fillshallbedarkyellowcolour222mmx 108 mm x 67 mm sand lime brick with thickness as shown in the project drawings to matchthecolourofsandlimebrickofthesubstationbuildingbyNationalIndustries Company or approved equal.Supply fabricate and install three (3) numbers 7.2 metre wide double leaf steel gates and three (3) numbers of pedestrian gates as shown in the relevant drawings. 3.19.10Design, Supply, fabricate and install pre-engineered car parking shelter for parking six (6)carsintheMainEntranceatthelocationshownontherelevantdrawings. ConstructionofcarparkingshedshallbeinaccordancewithKOCStandarddrawing No. 55-02-67.Also, six (6) nos. of asphalted open car parking shall be constructed on the rear entrance as shown in the drawings.
