WBMAD/NDDM/WW/NIeT303/26-27_19

Cutting & picking up existing metalled black top portion of road surface to an average depth of 300 mm. by using jack hammer with all necessary tool and plant including screening the serviceable materials & stacking within a lead of 75mtr. all complete as per direction of the E.I.C

Labour for taking out old soling including removing debris to flank or berm, sorting out serviceable material and staking. a) Single Flat Soling

Earth work in excavation of foundation trenches or drains in all sorts of soil(including mixed soil but excluding laterite or sandstone) including removing spreading or stacking the spoils within a lead of 75m as directed.The item includies necessary trimming the sides of trenches,levelling,dressing and ramming the bottom,baling out water as required complete. a) Depth of excavation not exceeding 1500mm.

Supply of Ductile Iron K7 (DI) pipes confirming to IS:8329-2000 at project site including stacking, loading, unloading, labour, transportations etc complete 150mm

Supplying, fitting and fixing cast iron spun pipe conforming to I.S.1536/1976 with all necessary specials including cutting trenches in any soil or through masonry, concrete etc., if necessary,and mending good all damages including jointing pipes with Tyton joints as per manufacturer's specifications and filling up the trenches all complete but excluding the cost of masonry or concrete work, if required. (i) Class LA 150 mm

Dewatering by pumps including all leads. lifts and making all arrangement of dispisal where continuous flow of water from a source other than natural or ground water is encountered in case of emergency maintenance works related to leakage. breakage and making wet connections.note:- In case of any other situation demanding such emergency dewatering use of this item is to be apporved by the Superintending Engineer/Tender Accepting Authority. This item shall be executed on the specific direction duly supported by proper clarification of the E.I.C

Disinfection of water main by filling with water containing bleaching powder of sufficient quantity capable of maintaining a resudiual chlorine concentration of 10mg/1 within the main after a detention period of two hours and flushing the same with fresh water all complete as per specification and direction of the Engineer-in-Charge{After successful completiion of the process disposal of water and bacteriological testing of sample of flushed out water from the mains shall be made at no extra cost] 150 mm

Supply of MS flange (slipper type) as per IS-6392 Table17 Thickness 12mm 150 mm

Supply of M S blank flange as per IS 6392 table 20 thickness 12mm 150mm

Lowering any type Ductile Iron/cast iron pipes (DI) & specials and laying along trench at any depth as per specification and direction of the Engineer-in-charge.[For laying over ground. The rates shall be reduced by 10% and the rates so reduced shall be inclusive of cost of holding arrangements. 150mm