Maintenance work

Amount

Supplying and erecting in position of 1000 liters capacity Industrial Model Reverse Osmosis Water-cum-Purifier to deliver Potable Water with World Health Organisation (WHO) Standards with following accessories. (a) MS Skid - 1 No. (b) Media 11054 No. Vessel with 20 nb Multiport Valve (with Media Pubble and Fine Sand and Activated Carbon Filling) set (c) Feed Pump 0.50 HP – 1 No. (d) Vertical Pump 2-9, 2.00 HP / Single Phase – 1 No. (e) Membrane 40 x 40 filmtech (or) equilaents / Osmonic (USA) - 1 No. and Membrane Pressure Vessel 40 x 40 -1 No. & Pressure Gauge - 2 Nos. (f) Flow Meter - 1 No. 20” Filter with Housing - 1 No., Low Pressure Switch - 1 No., Level Switch - 1 No. & Necessary CPVC Pipes and Fittings. The system shall be provide with Two Panel Control System with necessary Stainless Valves and Fittings and Float Control etc. The rate should be inclusive of all civil works, wherever necessary to install the System in position and intact.

Supplying, laying and joining UPVC pipes of approved quality and best variety conforming to ISS with ISI mark, of the following size below ground level laid properly to alignment including cutting, threading and fixing the required PVC specials but excluding the cost of such specials etc., complete.

25mm dia UPVC pipe

Renewing the damaged UPVC Specials and refixing in position of the various dia PVC specials such as Bend, Tee, Y Junction, door etc., of approved quality and variety of various size confirming to ISS and providing leak proof joint by PVC adhesive etc., including necessary cutting, threading and fixing and giving connection to PVC pipes etc., complete complying with standard specification and as directed by the Departmental officer.

25mm dia UPVC Elbow

25mm dia UPVC Tee

25mm dia UPVC Coupling

UPVC ball valve 25mm dia

Renewing the damaged PVC Water Tank with new one of sintex or equalent PVC water tank including loading, unloading and lifting charges and fixing in position etc., complete complying with standard specifications.

Supplying and fixing in position best quality PVC soil / waste pipes of various dia having 6 kg / sq.cm. pressure BIS mark and providing leak proof joints using PVC adhesives including fixing to the wall with special PVC / MS clamp, teak wood plugs, brass screws, etc., and making connection to all sanitary fittings, dismantling masonry / RCC works wherever found necessary and making the good dismantled portion to the original condition, including testing for any leakages, etc., complete complying with standard specifications. (The PVC pipes should be got approved by the Executive Engineer before use on works). The rate for earth work excavation will be measured and paid separately in the cases where the pipe lines are proposed to laid below ground level

75mm dia pipe

110mm dia pipe

Supplying and fixing in position PVC specials of the following dia and types of approved quality confirming to BIS and providing leak proof joints including fixing to the walls and giving connection to the PVC soil stacks, dismantling the masonry or RCC works and re-doing the dismantled portion to original condition etc., complete complying with standard specifications. (The PVC specials should be got approved by the Executive Engineer before use on works).

75mm dia pipe

PVC Elbow with Door

PVC REDUCER

110mm dia pipe

PVC "Y" with Single Door

PVC Tee with Single Door

Supplying and fixing in position PVC cowls of following dia of best approved quality conforming to BIS, etc., complete complying with standard specifications. (The PVC cowl should be got approved by the Executive Engineer before use on works).

110 mm dia PVC Cowl

Reconstruction of damaged Manhole chamber of following with a base concrete of by new on of a base of concrete of Plain cement concrete 1:5:10, 10cm thick over a 10cm sand cushiion & brick work in CM 1:5 for chamber wall with 20mm thick 1:3 CM plastering for walls flooring including cost of labour charges curing cost of sFRC cover slab of size 0x60x0.60 including labour charges for fixing the slab inposition etc.,

Inspection chamber of size 600 x 600 x 600mm

GST at 18%

S.K.B Constructions