PROVISION OF CHEMICAL DOZING UNIT TO IMPROVE WATER QUALITY AT MARINE FRESH WATER PUMP HOUSE AT NAVAL DOCKYARD VISAKHAPATNAM UNDER GE (I) (DM) VISAKHAPATNAM

Amount

Supply installation testing and commissioning of chlorination chemical dosing system comprised of pressure pump & thermoplastic cylinder shape receptacle with cover of 100 ltrs capacity for power free automatic water sanitiser /conditioning treatment station with proportional dosing arrangement with following attachments:- a)Water inlet regulator b) Overflow vent c) Water outlet regulator(for standalone gravity flow and offline automated gravity flow) (d) Drain valve e) Fluid level controller f)sludge level gauge g) Station base assembly with station base buffer & multi cavity arrangement h) Station holding assembly j) Refill cavity lids k) Inbuilt level switch and processor l) Flexible connecting duct Make:-Declibac(model ADS-PRO)/Equivalent/OEM recommended make. Note:- Any addition/alteration required in the existing pipe line or any fittings/fixtures required for connectionof the above item are deemed to be included in this rate.

Supply of plastic cylinder of suitable size sealed disposable floating sanitiser station for disinfection of drinking water with arrangement for controlled releaseof disinfactant in water with basal dose control mechanism complete all as specified and directed. Make:-Declibac(model ADS-PRO)/Equivalent/OEM recommended make.

Supply of chlorine tablets contained in plastic cylinder disposable sanitiser refill(dia 2.5 inches + 0.5inches height 10 inches+ 0.5 inches) for disinfection of drinking water with arrangement for controlled release of disinfectant in water suitable for operation through dosing system. Make:-Declibac(Type stequa 411 AE/Eqvt)/OEM recommended make. Note:-The product media should have heavy metal contaminants below declibac limits and must pass the acutetoxicity test(confirm to non toxicityfor mammalian cells) and safe for human health safety point complete.

Supply and fix centrifugal pump of capacity 230 volts single phase not less than 1 Hp with starter unit total head upto 06 bars discharge upto 3700 LPH complete all as specified and directed.

Material & labour for PCC (1:2:4), type B1 (using 20 mm graded stone aggregate) as form work and finishing the exposed surfaces of concrete fair complete all as specified and directed and dispose the waste at dumpyard inside ND (V).

M&L Mild steel framed work with ends of soldered, welded or reveted or forced, framed guard bars,frame work of tank,frame work for lead joint the DI pipe with existing pipe without any leak and making the surface good with proper cementing etc, filling valvepit and similar work incl painting with one coat of red oxide primer and one coats of anticorrosive black bituminous paint incl dismantling mild steel work of any description not otherwise specially provided for all as specified and directed.

M&L for sub main Wiring for circuit/submain wiring alongwith earth wire with the following sizes of FRLS PVC insulated copper conductor, single core cable in surface/ recessed 2x10.0 sq. mm + 1x6.0 sq. mm earth wire in PVC conduit of suitable size earth wire as required complete all as specified and directed.

S&F SPN DB 8 WAY double door with 200 Amps rated bus bar complete all as specified and directed.

S&F SPN MCB 40Amps including removing old unsv complete all as specified and directed.

S&F SP MCB 40Amps including removing old unsv complete all as specified and directed.

VTC ENGINEERING P LIMITED

SRI RAJA RAJESWARI ENTERPRISES

AYYAPPA CONSTRUCTIONS

SANTOSH CONSTRUCTIONS