Supply And Laying Of 20 Inch Glass Reinforced Plastic ( Grp ) Pipeline For Receiving Ttro Water From Cmwssb To 4 Mg Reservoir In Manali Refinery Of Cpcl Chennai Tamilnadu , grp piping works for receiving ttro water from cmwsb to 4 . 0 mg reservoir . , piping - grp:- the scope of work includes supply all grp piping material ( pipes , elbows , tees , reducers , flanges , double bell couplings etc . as per is 14402 etc . , nuts and bolts and gaskets confirming to pms a1u ) , storage of materials at site , transportation from storage to site , fabrication , joining , erection , hydrotesting , providing pipeline markers and commissioning of all types grp piping works above and below ground on sleepers , stuctural supports , through walls at all elevations , through culverts , hume pipes etc . ( supplying all tools & tackles , scaffolding materials , machinery , gas , all consumables & non consumables , tranportation and labour to complete the job in all respects and diposing off the scrap materials as per eic ) . the minimum requirement of the pipeline moc are given below: liner resin : vinyl ester resin . reinforcement resin : vinyl ester resin for details refer specification for technical specifications for grp pipes ( spec no . grp-spec . ) the rate doesnot include excavation , backfilling , concreting , road repair rates . providing piping for hook ups is included in the main pipe running mtrs rate , the rates for the following items shall be exclusive of concrete/ rcc / pcc breaking , earth work removal , earth back filling , removal of old piping for replacement and erection & removal of scaffolding . the rates for the following items shall be inclusive of supply , storage , tranportation , fabrication , laying , erection , joining , flushing of the piping system , offering stagewise inspection , hydrotesting , providing pipeline markers and draining / drying of the piping system . , 500 dn grp piping class: pn 9 stiffness class : 248 kpa at 5% deflection as per above scope ( min . 12 . 5 thk ) , valves :- transportation of all types of valves ( including special & motor operated valves ) from owners storage points to contractors stores/worksite and installation of valves for all rating including assembly of valves accessories , if any , fixing of gaskets bolts/nuts ( supplied by contractor ) wherever requried as per specifications , drawings and directions of engineer-in-charge . , flanged/wafer valves ( 150# ) , installation of valves - size 20 inch dia . to 24 inch dia . , supply and laying of non-pressure np2 class ( medium duty ) rcc hume pipe , with collars jointed with stiff micture of cement mortar as per is 458 . , id 600 mm nb , providing service assistance: providing pre-commissioning assistance to owner of skilled/semiskilled workers as per the directions of engineer-in-charge with hand tool and tackles ( but excluding consumables ) , semi-skilled ( 8 hours per day ) excluding lunch hours . , skilled ( 8 hours per day ) excluding lunch hours . , concrete breaking / road cutting /earth work excavation & back filling for laying or removal of underground piping / dewatering , earth work excavation & back filling : the job involves earth work excavation below ground level upto 2 metres depth & to a required width for laying underground piping in all types of soils including removal of vegetation , if required , shoring shuttering , dressing of sides , levelling , grading , ramming of bottom , back filling on completion of laying of pipes with available excavated soil , watering , rolling , ramming of by manual methods / mechanical compactors , dressing , trimming , etc . the job also includes supplying of all types of tools & tackles , machineries , all consumables and labour to complete the job in all respects as per eic instructions . , earth work excavation & back filling - upto 2 metres depth , road cutting : the job involves breaking of bituminous road including bituminous carpet , metal base , etc . and removal of debris upto a lead of 7 km as per instruction of engineer in charge . the job also includes supplying of all types of tools & tackles , machineries , all consumables and labour to complete the job in all respects as per eic instructions . , concrete dismantling ( plain and reinforced ) , dismantling reinforced cement concrete ( rcc ) the job involves dismantling of reinforced cement concrete pavements including cutting of reinforcement bars , returning of scrap steels to designated area , breaking the rcc work into pieces and disposal of unserviceable material upto 3 . 0km lead as directed , etc . as per the direction of the engineer-in-charge . , dismantling plain cement concrete ( pcc ) demolishing plain cement concrete in foundation and super structure including disposal of unserviceable material upto 3km lead as directed and serviceable materials to stores including scaffolding , all labour , tools supervision , safety permits , safety precaution etc . complete . the job also includes supplying of all types of tools & tackles , machineries , all consumables and labour to complete the job in all respects as per eic instructions . , dewatering - with contractors own pump: the job involves pumping out of water including dewatering oily water mixed with muck / sludge etc . from trenches , pits etc . by contractors own pump as per the direction of the engineer-in-charge . the job also includes supplying of all types of pumps , tools & tackles , hoses , fuel , all consumables and labour to complete the job in all respects as per eic instructions . , hire charges for 5 hp diesel driven dewatering pump with all accessories including hoses along with one operator - unit : shift= 8 hrs , running charges for 5 hp diesel driven dewatering pump , charges for mobilization & demobilization for 5 hp diesel driven dewatering pump ( trip inclusive of to & fro charges ) unit su ( service unit ) means each trip including to & fro if pump is within cpcl premises , movement within cpcl premises shall not be considered as trip . , ( 1 ) running charges as per sor sl . nos . 210 are applicable for the actual running hours of the pump and also if the fuel is supplied by the contractor . ( 2 ) running charges as per sor sl . nos . 210 are not applicable if the fuel is supplied by cpcl . , providing and laying plain cement concrete ( pcc ) 1:4:8 by volume ( 1cement : 4sand:8 crushed aggregate ) with opc 53 grade and 40mm & down size graded crushed stone aggregates for all depths wherever required like in foundations , fillings , floors , pavements & ramps or any other works etc . , including shuttering , tamping , ramming , vibrating , curing , etc . all as specified in any shape , position , thickness and finishing the top surface rough or smooth as specified and directed all complete for concrete of nominal mix 1:4:8 , including cement cost etc , all complete as directed by engineer-in-charge . , providing and laying of reinforced cement concrete ( rcc ) 1:1 . 5:3 by volume ( 1cement: 1 . 5 sand:3 aggregate ) with opc 53 grade and 20mm and down size graded crushed stone aggregate materials for sub/ super structure at all depths upto plinth beam for foundations , plinth beams , pedestals and rcc retaining wall inside reservoir , etc . , including machine mixing , curing , consolidating with vibrator , cement cost etc all complete as per instructions of engineer-in-charge excluding cost of shuttering and reinforcement . , providing , fixing formwork including centering , shuttering , strutting and propping in sub/ super structure at all heights pedestal , rcc etc . , whereever required including removal of the shuttering after the specified period is over and as directed by the engine
