maintenance and repairing water supply pipe line , sluice valve in zone no . 5 at ward no . 8 , 31 , 39 , 32 , 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/2019-2020/ page no . i . no . , 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/2019-2020 page no . : item no . : , 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 mjp/dsr/2019-2020/ page no . 35 i . no . 7 , providing and supplying ac pressure pipe manufactured & tested as per 150 160 standerds of following class & diameters in standared length etc . , 100 mm dia , 150 mm dia , lowering laying and jointing with cid joints ac pressure pipes and ci or msd specials of following class of workds cost of labour and material giving satisfactory hydraulic testing etc . as per isi code etc complete but excluding cost of cid joints nut-bolts rubber rings . , 100 mm dia , 150 mm dia , 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 , 200 mm dia cid joints , 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 . , 100 mm dia s . v . , removing existing cidf sluice valve including etc complete . , 100 mm dia , 150 mm dia , lowering layding and jointing in position following cidf reflux valve , butterflay valave and sluice valve etc complete , 100 mm dia s . v . , 150 mm dia , removing and refixing half body sluice valve including excavation refilling cost of rubber packing , nut bolt , with gate , gland rope , repair by welding etc complete , 100 mm dia , 150 mm dia , 200 mm dia , 250 mm dia , 300 mm dia , 100 mm dia , providing and supplying s . s . spindle rod as per standard specifications and suitable for sluice valve etc complete . , 150 mm dia , 400 mm dia , providing and supplying gun metal check nut of following diameter of sluice valve standard specification etc complete , 100 mm dia , 150 mm dia , 200 mm dia , 250 mm dia , 400 mm dia , removing and refixing c . i . gland plate sexisting cidf sluice valve including rubber packing , nut bolt grees and gland rope etc complete , 100 mm dia , 150 mm dia , 200 mm dia , 250 mm dia , 300 mm dia , 350 mm dia , 400 mm dia , 450 mm dia , providing and fixing m . s . extension rod as per site requirement to fix above existing sluice valve as directed by engineer-in-charge . , 100 mm dia , 150 mm dia , 200 mm dia , removing remaking existing cross connection including excavation broken cid joits and tee including excavation and refilling etc completer . , 100 mm dia , 150 mm dia , 200 mm dia , 250 mm dia , repairing the gate by welding and make it in original position etc completed . , repairing water boring connection for contamination of water with material etc complete . , providing and supplying fabricating m . s . clamp etc complete . , 100 mm dia , 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