Bageshwar Town (Pumping) Water Supply Scheme

PART - A ( CIVIL WORKS ) Surveying, design & drawing(Hydraulic & structural) and construction of RCC(Mix design) Infiltration Well cum pump house as per latest BIS codes of external dia meter 14 Mtr and 12.42 mtr height of well steining with minimum thickness 0.40 m,and 1.5 Mtr wide approach Bridge of length approx. 20 m .capable of delivering discharge not less than 1475 LPM. not additional payment for trial bore for taking out adiquate water from Infiltration well and total disolved solid not more than 500 mg/l including supply of all matarial, labour, T&P scaffolding , shuttering, mechinary etc required for completion of work complete as per conceptual drawing - 1- Highest Flood Level of Saryu river is 4 mtr above the minimum water level. 2- Plinth level of pump house is 2.0 mtr above the HFL 3 - Depth of infiltration well will be atleast 7.5 mtr below the ground level Work consist of as follows Hydraulic and structural design of infiltration well cum pump house and preparation of drawing. Diversioin of stream by any means to get working conditions at site. Execavation 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, Spiral RCC / MS stair case of 75 cm width with suitable landing and GI pipe railing complete from deckslab to floor inside infiltration well deckslab will also have provision of opening for lowering of pumps and railing to the opening. 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 infiltration well including reinforcement and shuttering as per design. Construction of 5.25 mtr internal dia pump house of brick work with conical / slanting RCC roof with clear minimum height of 4.5 mtr on edge as per design including mild steel door frame with wooden shutter /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. supply and filling of filter media of required grading in 1.5 mtr width all around the periphery of well steining below ground level including PVC membrane as seperator between different grade of filter media. Suppy and fix 80mm dia HDPE 6 kg/Sqcm pressure rating as weepholes in required number as per design. GI pipe railing supported on MS angle for approach path and balcony of pump house. Stone pitching of required thickness over filter media along periphery of infiltration well. All electrification works required for pump house building except special 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 & polley system.

Design and drawing , testing soil bearing capacity & Construction of RCC dry Intake Well cum pump house requir discharge 3000 LPM per latest BIS codes of Internal dia meter 8.0 Mtr and 13.5 mtr height of well steining with RCC M 30 Grade and 1.5 mtr wide 20 Mt length approach Bridge to intake as per requirement at site including reinforcement and shuttering as per design including supply of all matarial,labour, T&P scaffolding , shuttering, mechinary etc required for completion of work complete as per conceptual drawing. Outside circumference of Intake Well to be covered with chicken wire mesh alongwith 2.5 cm concrete to avoid water seepage through wall steining shuttering joints. 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.Execavation 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, deck slab will also have provision of opening for lowering of pumps and railing to the opening Spiral RCC / MS stair case of 90 cm width with suitable landing and GI pipe railing complete from deckslab to floor inside 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 Construction of 8.0 mtr Internal dia pump house of brick work with conical / slanting 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. All electrification works required for pump house building except special 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.

Survey, hydraulic/structural design, drawing, testing of soil bearing capacity and Construction of Water Tight R.C.C. (Mix Designe) 4.5 MLD (for 16 hrs working) 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 Valve sand their Chambers 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/ tyle flooring all area, doorsand windows inoperating room, painting, distempering and cement based paint all inside and outside of WTP , three layer M S Railing on stairs and other railing S.S.304 Hollow pipe use ,filter all as required or as directed by Engineer -in -Charge etc, all complete including supply ,cartage of all materials T&P etc. Complete.

Supply of all materials, labour, T & P etc. and Construction of Boulder filled gallary(BFG)Including double chamber 6.00 Mt wide as per type drawing and design.

Same as above but excess 6 Mt wide cross wall

Construction of Roughening Filter as per type design.

Supply of all material, labour, T&P etc. all complete and provide 90 cm high RCC cross wall at gadhera tapping point for the protection of intake from flood storm.

80 mm dia 4.8 mm thick