Repair maintenance replacement of fresh water pipe lines makeup water tank valves and misc maintenance works of various AC plants at Naval Dockyard Visakhapatnam

Amount

Supply & fix GI pipes ISI marked medium grade as in condenser water line of 200 mm bore with fittings and fixed complete to walls and ceilings or laid in floors including taking down the corroded pipes complete all as specified and as directed. Make:-Tata/Jindal/Kalinga/Suryaprakash

All as per item No 1.00 above but for 150 mm bore

All as per item No 1.00 above but for 100 mm bore

All as per item No 1.00 above but for 80 mm bore

All as per item No 1.00 above but for 50 mm bore

All as per item No 1.00 above but for 40 mm bore

All as per item No 1.00 above but for 25 mm bore

All as per item No 1.00 above but for 20 mm bore

All as per item No 1.00 above but for 15 mm bore

Supply and fix butterfly valves of 80 mm bore in pipe lines of AC plants with necessary modification to flanges, welding, nuts & bolts as required at site including dismantling existing unserviceable valves complete all as specified and as directed Make:-Audco/Shakti/Zoloto

All as per item No 10.00 above but of 100 mm bore

All as per item No 10.00 above but of 150 mm bore

All as per item No 10.00 above but of 200 mm bore

Supply and fix stainless steel ball valves (ball of stainless steel) for liquid line of 50 mm dia with necessary modification work as required at site including dismantling existing unserviceable valves complete all as specified and as directed. Make:- Audco/Shakti/Zoloto

All as per item No 14.00 above but of 40 mm bore

All as per item No 14.00 above but of 25 mm bore

Supply and fix VVE-70 model expansion valve of Sporlon make with necessary modification, brazing ,leak testing and commissioning including taking out old unserviceable expansion valve complete all as specified and as directed.

All as per item No 17.00 above but of VVE-52 model

Material & labour for taking out the defective pressure cut-outs of any range and model and supply & fix new HP/LP pressure cut-out MP-15, connecting the pressure lines/control wiring, leak testing and commissioning complete all as specified and as directed Make:-Indofoss/Danfoss/Ranco

All as per item No 19.00 above but for water pressure cut-out IPS-70

All as per item No 19.00 above but for low pressure cut-out MP-1

All as per item No 19.00 above but for High pressure cut-out MP-5

All as per item No 19.00 above but for Oil pressure cut-out MP-55

Material & labour for preparation of surfaces by scrapping and removing rusted portion with wire brush and applying one coat of synthetic enamel paint for complete refrigeration system, in-let/out-let pipe lines, compressor unit, condenser pump set, control LT panel board duct covers, cooling tower stand including lettering & numbering and applying one coat of white/colour wash to chiller pipe line complete all as specified and as directed.

Material & labour for complete checking, servicing / rectification of electrical circuits for all units and control wiring showing phase sequence with proper lugging of AC plant control panel including replacement of fused indication lamps with new ones, cleaning of all power contacts, rectification of minor defects in Ammeters and Voltmeters, testing and commissioning complete all as specified and as directed.

Material & labour for repairs and servicing of blowers including dismantling and re-building the shaft at worn-out places, machining to it’s original size, replacement of worn out bearings and checking of alignment complete all as specified and as directed.

Supply and charging of R-22 gas complete all as specified and as directed. Make:- Refron 22/Floron 22/Mafron 22

Dewatering, Cleaning and removing all scales and dirt etc., from water making sintex/RCC tank of capacity upto 2000 ltrs by using wire brush including washing the entire sump with bleaching powder and apply one coat of white wash to the inner side walls complete all as specified and as directed

Dewatering, Cleaning and removing all scales and dirt etc., from water making sintex/RCC tank of capacity 10000 ltrs by using wire brush including washing the entire sump with bleaching powder and apply one coat of white wash to the inner side walls complete all as specified and as directed

Supply and fix of PVC sintex tank lid of capacity upto 1000 Ltrs complete all as specified and as directed Make:- Syntex

Supply and fix of PVC sintex tank lid of capacity upto 10000 Ltrs complete all as specified and as directed Make:- Syntex

Supply & fix PVC float Valve of size 15mm dia and taking out old unserviceable one make and model as per site requirement complete all as per specified and as directed.

Supply & fix PVC float Valve of size 20mm dia and taking out old unserviceable one make and model as per site requirement complete all as per specified and as directed.

Supply & fix PVC float Valve of size 25mm dia and taking out old unserviceable one make and model as per site requirement complete all as per specified and as directed.

Chitturi Associates

VENKATESWARA TECHNOLOGY