maintenance and repair to water supply pvc pipe line distribution system at deolai area in zone no . 8 , item no . 1 excavation for foundation / pipe trenches in earth , soils of all types , 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 backfilling , etc comp . lift 0 to 1 . 50 m mjp/dsr/2019-20/page no . 33 i . no . 1 , item no . 2 excavation for foundation / pipe trenches in hard murum and boulders , w . b . m . road 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 backfilling , etc comp . lift 0 to 1 . 50 m mjp/dsr/2019-2020/ page no . 33 i . no . 3 , 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 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 . 33 i . no . 5 , item no . 4 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 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 . 34 i . no . 7 , item no . 5 providing and supplying c . i . detachable joints suitable for a . c . pressure pipes manufactured as per is- 1538 / 1993 standards of following class and dimeter including cost of insurance , railway freight , inspection charges , unloading from railway wagon , loading into truck , transporting to departmental store , unloading , stacking and cost of rubber rings , nut bolts , excluding gst levied by goi & gom in all respect etc . complete . mjp/dsr/2019-2020/page no . 64 i . no . 13 , 150 mm , item no . 6 checking & repairing private water connection and reconnecting the same etc complete , item no . 7 disconnection of unauthorised private water connection etc . complete . , item no . 8 providing double flanged sluice valves confirming to is- 2906 / 14846 including worm gear arrangements as per test pressure , stainless steel spindle , caps , including inspection charges , transportation upto departmental store , unloading , stacking excluding gst levied by goi & gom in all respect etc . complete . pn-1 . 0 ( without bypass arrangement ) mjp/dsr/2019-2020/page no . 127 i . no . 2 ( a ) , 65 mm , 80 mm , 150 mm , item no . 9 lowering laying and jointing in position following c . i . d/f reflux valves , butterfly valves and sluice valves including cost of all labour , jointing material , including nut bolts and giving satisfactory hydraulic testing , etc complete . sluice valves mjp/dsr/2019-2020/page no . 130 i . no . 4 , 65 mm , 80 mm , 150 mm , item no . 10 providing and supplying isi standard ci flanged / s & s specials excluding gst levied by goi & gom in all respect including railway freight , insurance , unloading from railway wagon , loading into truk , transport to departmental stores , unloading , stacking , etc . complete . c ) plain ended/plain ended branch flanged specials - i ) 80 mm dia to 300 mm dia mjp/dsr/2019-2020/ page no . 60 , i . no . 6 ( c ) , item no . 11 providing & laying in situ cement concrete m-15/1:2:4 of trap/granite/ quartzite/ gness metal for foundation and bedding including dewatering , compacting and curing etc . complete . pwd/dsr/2015-16/p . no 287 i no 29 , item no . 12 providing and supplying in standard lengths isi mark rigid unplasticised pvc pipes excluding gst levied by goi & gom in all respect . working pressure 6 kg/sq . cm . mjp/dsr/2019-2020/page no . 65 i . no . 1 ( b ) , 63 mm , 75 mm , 90 mm , 140 mm , item no . 13 lowering laying and jointing pvc pipes and specials of following class and diameter etc . complete ( with cement solvent joint / ring fit joint ) mjp/dsr/2019-2020/page no . 69 i . no . 4 ( b ) , 63 mm , 75 mm , 90 mm , 140 mm , item no . 14 add 10% of cost of pipes shall be considered for cost of pvc specials for only . mjp/dsr/page no 79 i no 1 , item no . 15 providing and supplying bleaching powder gread-1 as per is cord . mjp/dsr/2019-2020/page no . 12 sr . no . 57 , item no . 16 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 . mjp/dsr/2019-2020/page no . 36 i . no . 15