Bhowali Water Supply Scheme under World Bank funded UeWSP Programme

Schedule-1 : Intake Works

Soil testing for bearing capacity, Hydraulic, Structural design & Construction of RCC dry Intake Well cum pump house as per latest BIS codes of Internal diameter 10.0 Mtr and 17.0 mtr height of well steining including PH with RCC M30 Grade and 1.5 mtr wide approach Bridge of length approx. 20 m including reinforcement and shuttering as per design including supply of all matarial, labour, T&P scaffolding , shuttering, machinary etc required for completion of work complete as per conceptual drawing.Outside circumference of Intake Well to be covered with chicken wire mesh alongwith 25 mm concrete to avoid water seepage through wall steining shuttering joints. Which including lighting indicator and following works will be got vetted by IIT Roorkee. Hydraulic and structural design of Intake well cum pump house and preparation of drawing Hydraulic and structural design of Intake well cum pump house and preparation of drawing Diversioin of stream by any means to get working conditions at site.Excavation in any type of soil mix with shingle , boulder , etc or in any type of rock up to required depth as per design. Timbering of any type required for excavation upto desired depth . Dewatering of water required upto any extent to keep excavated pit dry for construction works. Lean concrete of grade 1:3:6 with 40 mm gauge stone ballast and local sand below raft foundation of well. RCC in raft foundation including reinforcement , shuttering etc as per design. RCC in well steining including reinforcement and shuttering as per design. RCC in Deckslab of well including 1.00 m wide balcony all arround, including reinforcement, shuttering as per design, deckslab will also have provision of opening for lowering of pumps and railing to the opening space.Spiral RCC / MS stair case of 90 cm width with suitable landing and GI pipe railing complete from deckslab to inside floor Intake well. RCC in 1.5 mtr wide approach Bridge(at plinth level of pump house ,approximate length is 20 mtr, however it may vary at actual site condition for which no price adjustment will be applicable) to Intake Well including reinforcement and shuttering as per design also including also including requrired intermedeate support & abutment and approch for ramp/stair requrired flood protection works for intake well as well as approch of abutment as per site requrement.Construction of 10.00 mtr Internal dia pump house of brick work with flat RCC roof with clear minimum height of 4.5 mtr on edge as per design including mild steel door frame with steel /MS "Z" section, glazed and mosquito proof window/ vantilators with gaurd bar in required numbers for proper access and vantilation, plastering inside & outside ,external plaster may have some ornamental finish for aesthetic look, inside distempering, out side acrylic painting (apex or equivalant ), synthetic enamal painting on steel / wooden surface , waterproofing treatment and decorative tile work on roof, PCC flooring with 2mm PVC laminate flooring sheet etc complete.2 Nos almirah in pump house size 1200x2100x450 mm with wooden shutters.Required No of inlet / outlet pipes of any size/ type of required upto a distance 6 mtr from outer face of well as per design. GI pipe railing supported on MS angle for approach path and balcony of pump house. All electrification works required for pump house building except, wiring required for pumping plants which will be carried out seperately . Supply and fixing of mild steel girder of required size in pump house for lowering / lifting of pump including moveable chain & pulley system. ncluding nessecry flood protection work by providing C.C. Block as per PWD/Irrigation specification and Size.

Add/deduct for price adjustment on account of variation of well steing height (if any) from 17.00 m ( Rate only)

Supply and fixing wirecreate for the protection of well and filter media Wire crate check 3.0 mx1.5 mx 1.5 m (GI wire 8 gauge BWG)

Survey, hydraulic/structural design, drawing, testing of soil bearing capacity and Construction of Water Tight R.C.C. 4.0 MLD (for 16 hrs pumping) Capaciy Rapid GravityTreatment Plant (or its equivalent as per CPHEO manual should be capable of handling turbidity of 2500 ppm and the structural /hydralilic drawings and design of such structure , before execution of work , will be got vetted by IIT Roorkee or changes ,if any,as per IIT Roorkee 's recommendations will be executed by the contractor at quoted rate in tender and quality of water ,after execution must be as per IS : 10500 (2012) code for potable water ) for clear raw water consisting of two equal units of pre-sedimentation Tanks, Inlet Chamber, Mixing Unit, Floculation Unit , Chemical House, Laboratory, Hopper bottom settling Tanks Rapid Sand Filters of two equal units with alum doser and Back Wash arrangements, Operating Platform, Clear Water chamber, approved Filter Media, 0.60 m wide Apron, Gate/Sluice Valves and their Chambers, Clear Water Reservoir (CWR) and Pump House and all other appurtenant works , including supply and fixing pipes or making drain for proper drainage arrangement , MS pipes for connecting the units, electrification and lighting arrangements inside and outside of operating platform and filter, mosaic flooring, doorsand windows inoperating room, painting, distempering and cement based paint all inside and outside of WTP , three layer M S Railing on stairs,filter all as required or as directed by Engineer -in -Charge etc, all complete including supply ,cartage of all materials T&P etc. Complete.all complete including supply ,cartage of all materials T&P etc. Including other necessaries unit requried to treat water as per IS Code 10500 complete.

Schedule-2 : Rising Main

Confermatery survey, design (The contractor has to survey the site, take levels , measure the length of pipe with metalic tape on prescribed alignment and submit the design of rising main for checking the thickness of pipe before ordering for supply of pipe.On completion of this work, the laid length of pipe will be deemed eligible forsupply. The respective amount for quantity of surplus supply of pipes (which remained unlaid or unutilized) will be deducted from final bill and surplus quantity of pipes will be the property of contractor) Supply and Carting of pipes and fittings of following grade & sizes (in mm) of MS ERW Pipes (YST 210)/API XL-56 Graded Cartage of pipes and fittings from site store to site of works, lowering them into trenches, laying true to alignment and gradient laying and jointing of pipe line by welding for making up lengths as required for proper completion of work including painting of pipe from inside and outside with anti corrosive paint in two coats and also testing & commissioning of laid pipeline including supply of all materials, labour, T&P etc. complete of following sizes (in mm)

API Pipe

350 mm & 4.8 mm thick

350 mm & 5.2 mm thick