providing supplying lowering laying and jointing 150 mm jdia dik-7 pipe line making 300 mm dia cross connection in zone no . 4 ward no . 30 at ranjanvan colony cidco , excavation for foundation/pipe trenches in earth , soils of all ltypes , sand , gravel and soft murum , including removing the excavated material upto a distance of 50 metres and lifts as below , stacking and spreading as directed , normal dewatering preparing the bed for foundation and excluding back filling etc complete ( bd-a-1/259 ) lift 0 to 1 . 5 m mjp/dsr/2018-2019/ page no . 34 i . no . 1 , excavation for foundation/pipe trenches in hard murum and boulders , w . b . mn . road including removing the excavated material upto a distance of 50 m beyond the area and lifts as below , stacking and spreading as directed by engineer-in-charge , normal dewatering , preparing the bed for foundation and excluding backfilling , etc . complete ( bd-a-3/259 ) lift 0 to 1 . 5 m mjp/dsr/ 2018-2019 page no . :33 item no . :3 , excavation for foundation/pipe trenches in soft rock and old cement and lime masonry foundation asphalt road by all means including removing the excavated material upto a distance of 50 m beyond the are and lifts as below , stacking as directed by engineer-in-charge , normal dewatering , preparing the bed for foundation and excluding backfilling etc complete ( bd-a-4/259 ) lift 0 to 1 . 5 m mjp/dsr/2018-2019/ page no . 34 i . no . 5 , excavation for foundation / pipe line trenches in hard rock and concrete road by chiselling , wedging , line drilling by mechanical means other than blasting including trimming and levelling the bed , removing the excavated material upto a distance of 50 metres and lifts as below , stacking and spreading as directed , normal dewatering , preparing the bed for foundation and excluding backfilling , etc comp . lift 0 to 1 . 50 m mj/dsr /2016-2017/ page no . 35 i . no . 7 , providing and supplying isi mark d . i . s&s pipes ( push on joints pressure pipes ) of di of following class and diameters confirming to the is specification inclusive cost of jointing materials ( rubber gasket of epdm quality ) including all statutary duties and taxes levied by goi & gom in all respect , education cess , vat , pasrty inspection charges of tpi agency approved by mjp including transit insurance , railway freight , unloading from railway wagon , loading into truck , transportation to departmental store/site of work , unloading , stacking etc . complete as directed by engineer-in-charge ( is-1536/2001 for pipes & is 158/1969 & is-12820/1989 or latest endition/revision with amendments for rubber gasket . ) ( bd-a-4/259 ) lift 0 to 1 . 5 m mjp/dsr/2018-2019/ page no . 58 i . no . 3 ( b ) , 150 mm dia dik-7 grade , providing and supplying isi standard c . i . specials of required tand outside surface including all taxes ( central and local ) , octroi , inspection charges , transportation to stores/site and stackding , etc . complete e ) plain ended specials or plain ended branch flanged specials of all diameters . , providing and supplying c . i . detachable joints suitable for a . c . pressure pipes manufactured as per is-1538/1993 standard of following class and diameter including cost of all taxes ( central and local ) , insurance railway freight , inspection charges , unloading from railway wagon , loading into truck , trnsporting to departmental store/site , unloading , stacking and ocst of rubber rings , nut bolts , etc complete . , 100 mm dia cid joints , 150 mm dia cid joints , providing of c . i . mechanical compression collar coupling suitable for c . i . spun pipes ( as per is-1536/2001 ) and complete with sealing rubber gasket of sbr , c . i . follower glands and m . s . nut bolts . the whole assembly should be mechanically and hydraulically tested to the provisions as laid down in is : 1538/1993 ) , 300 mm dia , providing double flanged sluice valves conforming to is-2906/14846 including worm gear arrangements as per test pressure , stainless steel spindle , caps , including all taxes , transportation , etc . complete . , 150 mm dia s . v . , lowering layding and jointing in position following cidf reflux valve , butterflay valave and sluice valve etc complete , 150 mm dia , lowering , laying and jointing with sbr rubber gaskets c . i . s/s pipes of various classes with ci/ms specials of following diameters in proper position , grade and alignment as directed by engineer-in-charge including coveyance of materials from stores to site of work , including cost of jointing materils and rubber rings , labour , giving hydraulic testing , etc . complete , 150 mm dia dik-7 , making cross connection to existing distribution main of any type including excavation , breaking and removing existing pipes , lowering , laying of specials and pipes in their position , refilling , closing the water supply in that area , dewatering and restarting the water supply , etc . complete as directed by engineer-in-charge for following diameters of existing pipe line , irrespecrtive ofdiameter of branch line . ( the number of joints involved will be paid separately depending upon the nature of joints and required pipes , valves and specials will be supplied free of cost at stores . ) p . no . 47 i . no . 10 ( ix ) , 300 mm dia , removing remaking existing cross connection including excavation broken cid joints and tee inlcuding excavation and refilling etc complete , 150 mm dia , 200 mm dia , refilling the trenches with available excavated stuff with soft material first over pipeline and then hard material in 15 cm layers with all leads and lifts including consolidation , surcharging , etc complete