Improvement of water supply scheme Sansal Mandhed in Tehsil Baijnath Distt Kangra H P

Amount

Construction of intake weir at node no. 1,5 & 6 of RCC construction in concrete mix of M-20 grade across the nallah of appropriate length & height i/c depth above & below the natural bed level of nallah as per site requirements to obtain requisite discharge as per propoer design & drawing including construction cost of civil works, inlet & outlet arrangement , excavation in all kinds of soil, developement of site, pumping & bailing out water, carriage of materials within all leads and lifts etc. i/c the design & drawing charges of hydraulic as well as structural design as per feild hydraulic data complete in all respect to the entire satisfaction of Engineer-in-charge.

Designing , and condtruction, testing and commissioning of Water Treatment Plant 0.30 MLD capacity ( in the shape of rapid sand filters). of RCC construction in concrete mix of grade M -30 ( for hydraulic structure & M-30 ( for Building work). The scope of work includes the construction of 0.30 MLD water treatement plant capacity. Water treatement plant capable to treat the raw water of the quality specified in the basic design data to produce clear water as per the requirements CPHEEO manual on water tank, PST/ ,electronic channel, flow metre, Tapered floculator, secondry settling tank , rapid sand filter, clear water tank and back wash tank . For coagulant addition proper alum, lime solution tanks with proper mechanical mixing arrangement ,cholirination . Plant building for housing chemical store cum dosing room, valves, mechanical/electrical equipment, electric wring and panel boards, sanitations, interconnection paths, site development upto a minimum of 3 metre from edge of battery limit of plant, retaining and breast walls and fencing. The firm shall submit detailed hydraulic and structural design and drawings along with soil test report ( 6copies) for each component of treatment plant which shall be approved by the departement before the work is started. The design/Drawing of the mechanical/electrical equipment and wring etc. alongwith manufactures specification/ design also be submitted for approval to the department. On the completion of all civil, mechanical and electrical works the contractor shall test run the plant for one week before handling over the same to the department at the cost of the contractor. However, electrical charge shall be borne by the department, During the period the contractor shall run the plant at full rated capacity and produced the result specified in the NIT as per the CPHEEO standards in the presence of Engineer-in-charge or his representative. During this period daily testing raw water and treated water sample shall be done. Complete record of the test results and the flow measurements shall be kept during this period. If the performance of various units of treatment plant as specified in CPHEEO mannnual, the plant shall be formally taken over by the department, otherwise the contractor shall make necessary change/ repair to improve the efficiency of the unit/plant. The contractor/firm shall run and maintained the plant for one month after handing over the plant to the department. During this period the firm shall depute atleast one trained person to trained the department persons in operating, maintaining the plant and regular testing of the raw water and treated.

The scope of work shall be as per basic data, technical specifications and special conditions as per DNIT. This further includes combination of various treatment units based on Flow Diagram given in the above manual, for consideration of alternative proposals based on latest modern Technology OR any other low cost treatment methods based on existing plants working under similar conditions with necessary performence certificates. The firm/contractor should quote its rates for its offered proposal with cogent reasons/Justification for adopting the offered particular method of treatment of water and design of various relevant units, which should be based on recommendations of latest relevant codes/Manual on Water supply & treatment published by CPHEEO, Ministry of Urban Development (GOI) New Delhi.

Sector Reservior :- Designing, Constructing, Testing & Commissioning (to be approved by the competent authority) RCC Circular under ground/partial under ground storage reservoir as per capacity given below at Node No. 05 including excavation in foundation in all kinds of soil. including PCC (1:3:6) in foundation and M:20 in bottom slab/raft ,walls and beams. And RCC (1:1.5:3) in roof slab/dome with provision of inspection path around the dome with all allied Civil Works such as c/o chamber for valves, refilling and disposing of surplus excavated earth with in all leads and lifts. The job also includes providing lowering, laying, erecting, hoisting and jointing of pipe assembly for inlet, outlet, overflow and scour pipe with bye pass arrangement consisting of GI / MS pipes special and valves of required classes and dia and all other accessories required such as MS ladders inside and outside, CI cowl type ventilator, SFRC manhole covers with frames of heavy duty with proper locking arrangement, water level indicator. The tanks shall be hydraulically tested for water tightness, All works shall be conforming to relevant IS code. The cost of valves,bulk meter/ flow meter shall be included in the rates of tanks .complete in all respects to the entire satisfaction of the Engineer-in-charge .The contractor shall provide 6 sets of approved drawing and design to the department including cost of site development required as per site conditions.

Construction of RCC under ground Main storage tank 50000 litres capacity at node no. 2 complete in all respect to the entire satisfaction of Engineer-in-charge.

Construction of RCC under ground Main storage tank 40000 litres capacity at node no. 10 complete in all respect to the entire satisfaction of Engineer-in-charge.

Construction of RCC under ground Sector tank 20000 litres capacity at node no. 3 complete in all respect to the entire satisfaction of Engineer-in-charge.

Construction of RCC under ground Sector tank 30000 litres capacity at node no. 9 complete in all respect to the entire satisfaction of Engineer-in-charge.

The reservoir should comprise of the following:-

a) Providing, Laying and jointing of inlet, outlet, scour and over flow GI / MSERW pipes (MC) with flanges of 150mm dia complete with all fittings such as TEE's, Bends, Tail pieces, flanges, pipes and valves shall be of appropriate size and subject to approval of the Engineer-in-Charge. The over flow pipe shall be connected with any suitable delivery pipe.

b) Providing and fixing of cast iron manhole cover conforming to IS-1725-1991 with upto date ammendments, minimum two numbers of 500mm internal dia including frame of medium duty.

c) Cast iron ventilating pipes with cowl and mosquito proof cover of sufficient length suitable for over head tank as per standard Engineering practice and subject to approval of the Engineer-in-Charge.

d) All other required accessories such as ball mounts, control valves for inlet and outlet of 150mm cast iron PN 1.6 lightening conductor and water level guard (indicator) shall be provided by the contractor/firm.

f) The tank shall be painted with water proofing cement paints outside complete in all respect.

SURINDER KUMAR

Vijay kumar kushwaha