removing contamination of water galli no . 9 in ward no . 32 ambedkar nagar , 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 , excavation for foundation/pipe trenches in hard murum and boulders , w . b . m . road including removing the excavated material upto a distance of 50 m beyojnd 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 . , 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 , excavation for foundation/pipe trenches in hard rock and concrete road by chiselling , wedging , line drilling by mechanical means or by all means other than balsting including trimming and levelling the bed . removing the excavated material upto a distance of 50 meter beyond the area and lifts as below , stacking as directed by engineer-in-charge , normal dewatering , excluding backfilling , etc complete by all means . , 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 . ) , 100 mm dia dik-7 , providing and supplying ac pressure pipes manufactred & tested as per 150 160 standerds of following class & diameters in standared length etc . , 100 mm dia ac pipe , 150 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 . , 100 mm dia ac pipe , 150 mm dia ac pipe , 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 , 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 , 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 , 300 mm dia , removing remaking existing cross connection including excavation broken cid joints and tee including excavation and refilling etc complete , 100 mm dia , 150 mm dia , 300 mm dia , checking private water connection including excavation cost of gi specials clamp removing reconnecting water connection etc complete , as per market rate , 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 . , lowering layding and jointing in position following cidf reflux valve , butterflay valave and sluice valve etc complete , 150 mm dia s . v . , providing and supplying isi standard ms specials of required thickness with 3 coats of approved make epoxy paint ( shalimar , ciba or mahindra & mahindra make ) from inside and 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 . , 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