maintenance and repairing to water supply distribution system at ward no . 26 heharu nagar in zone no . 3 , 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 mjp/dsr/2016-2017/ page no . 35 i . no . 7 , providing and supplying ac pressure pipes manufactred & tested as per 150 160 standerds of following class & diameters in standared length etc . , 80 mm dia ac pipe , 100 mm dia ac pipe , 150 mm dia ac pipe , 200 mm dia ac pipe , lowering laying and jointing with cid joints ac pressure pipes and ci or ms specials of following class and diameter including conveyance from stores to site of works 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 . , 80 mm dia ac pipe , 100 mm dia ac pipe , 150 mm dia ac pipe , 200 mm dia ac pipe , 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 ) , 100 mm dia dik-7 grade , 150 mm dia dik-7 grade , 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 , 100 mm dia dik-7 , 150 mm dia dik-7 , cutting and champhering of pipes of following diameters including cost of all materials and labour involved , etc . complete as directed by engineer-in-charge ( for all class of pipes ) , 100 mm dia ci , 150 mm dia ci , 200 mm dia ci , 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 . , 80 mm dia cid joints , 100 mm dia cid joints , 150 mm dia cid joints , 200 mm dia cid joints , 250 mm dia cid joints , providing and supplying i . s . i . mark rubber gasket suitable for c . i . or d . i . pipes of all class for tyton joints including all taxes ( central and local ) . inspection charges , transportation to departmental stores/site , etc . complete . , 100 mm dia , 150 mm dia , 200 mm dia , 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 ) , 100 mm dia , 150 mm dia , 200 mm dia , checking & repairing private water connection including excavation cost of gi specials clamp removing reconnecting water connection etc complete , disconnecting of unauthorised private water connection etc complete , 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 . ) , 100 mm dia c/c , 150 mm dia c/c , 200 mm dia c/c , 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 . , 80 mm dia s . v . , 100 mm dia s . v . , 150 mm dia s . v . , 200 mm dia s . v . , lowering layding and jointing in position following cidf reflux valve , butterflay valave and sluice valve etc complete , 80 mm dia s . v . , 100 mm dia s . v . , 150 mm dia s . v . , 200 mm dia s . v . , removing remaking existing cross connection including excavation broken cid joints and tee including excavation and refilling etc complete , 100 mm dia c/c , 150 mm dia c/c , 200 mm dia c/c , 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 , 80 mm dia , 100 mm dia , 150 mm dia , 200 mm dia , providing and supplying s . s . spindle rod as per standard specifications and suitable for sluice valve etc complete , ( as per market rate ) , 80 mm dia , 100 mm dia , 150 mm dia , 200 mm dia , providing and supplying gun metal check nut of following diameter of sluice valve standard specification etc complete , ( as per market rate ) , 80 mm dia , 100 mm dia , 150 mm dia , 200 mm dia , supplying and fabricating m . s . clamp with required nos of holes etc complete , 80 mm dia , 100 mm dia , 150 mm dia , 200 mm dia , providing and supplying isi s