REPAIRS AND CLEANING OF OVER HEAD AND SERVICE WATER TANKS AND UG SUMPS SWT ETC AT AF STATION THANJAVUR

Amount

Supply and replacement of PVC service tank top cover (lid) with hinges and locking arrangement for the following capacity of PVC tanks all as specified and as directed. Make : Syntex / Polycon or equivalent

300 ltrs capacity

500 ltrs capacity

1000 ltrs capacity

2000 ltrs capacity

5000 ltrs capacity

Supply and fix in repairs of PVC service tank top cover (lid) of internally threaded type suitable for 500 litres capacity water tank all as specified and as directed. Note : Item No 1 to 2 the rates are included fixing of tank cover properly tightened with suitable mechanism / fixture with the PVC tank.

Material and labour for draining out water completely below existing foot valve upto the bottom of UG sump by means of self priming mono block pump set, manually, cleaning and removal of all scales and dirt etc. from UG sump and from mouths of circulating pipes etc. washing and cleaning with bleaching powder and applying one coat of white washing in inner surface complete and one coat of cement base paint on external exposed surfaces of sump capacity 2,75,000 litres at living in area pump house all as specified and as directed. Note : The quoted rate is deemed to be inclusive of cleaning of tank/sump including writing sump capacity, cleaned on date, due on date on out side surface by synthetic enamel paint

All as per serial item No.3 here in before but of sump capacity 1,50,000 litres at new living pump house all as specified and as directed.

All as per serial item No.3 here in before but of sump capacity 1,25,000 litres at Tech Area pump house near MRS all as specified and as directed.

All as per serial item No. 3 here in before but of sump capacity 1,00,000 litre at Domestic Area pump house all as specified and as directed.

Material and Labour for draining out water completely from RCC over head tank, cleaning and removal of all scales and dirt etc. from OH tank and from mouths of circulating pipes etc. washing with bleaching powder and applying one coat of white wash in inner surface complete of OH Tank of capacity 1,50,000 litres at inliving area pump house. Note : The quoted rate is deemed to inclusive of cleaning of tank/sum including writing sump capacity, cleaned on date, due on date on out side surface of OH Tank by paint all as specified and as directed.

All as per serial item No. 07 here-in-before, but of over head tank capacity 1,00,000 litres at Domestic Area pump house all as specified and as directed.

All as per serial item No. 07 here-in-before, but of over head tank capacity 50,000 litres at Domestic Area pump house all as specified and as directed.

Material and Labour for draining out water completely from static water tank, cleaning and removal of all scales and dirt etc. from SWT and from mouths of circulating pipes etc. washing with bleaching powder and applying one coat of white wash in inner surface complete of SWT of capacity 60,000 litres at MT Section. Note : The quoted rate is deemed to inclusive of cleaning of SWT including writing SWT capacity, cleaned on date, due on date on out side surface of SWT by paint all as specified and as directed.

All as per serial item No. 10 here-in-before, but of static water tank capacity 25,000 litres at Runway 07 end Gas godown, fire section and 25 end area all as specified and as directed.

Material and Labour for draining out water completely from PVC water tank, cleaning and removal of all scales and dirt etc. from tank and from mouths of circulating pipes etc. washing with bleaching powder complete of PVC OH Tank capacity 5,000 litres all as specified and as directed.

All as per serial item No. 12 here in before, but PVC OH Service tank capacity 2,000 litres all as specified and as directed.

All as per serial item No. 12 here in before, but PVC OH Service tank capacity 1,000 litres all as specified and as directed.

All as per serial item No. 12 here in before, but PVC OH Service tank capacity 500 litres all as specified and as directed.

All as per item No. 12 here in before, but PVC OH Service tank capacity 300 litres all as specified and as directed.

Dismantling of PVC water tanks exceeding 250 litres and not exceeding 500 litres from existing position all as specified and as directed.

Dismantling of PVC water tanks exceeding 500 litres and not exceeding 1000 litres from existing position all as specified and as directed.

Material and Labour for rotational moulded polyethylene water storage tanks double layered 500 litres capacity ( cylindrical vertical with closed top) hoisted and fixed in position all as specified and as directed.

Material and Labour for rotational moulded polyethylene water storage tanks double layered 1000 ltrs capacity (cylindrical vertical with closed top) hoisted and fixed in position all as specified and as directed.

Taking out the existing water tank and supply, hoisting and fixing rotational moulded polyethylene water storage tanks 5000 ltrs capacity double layered (cylindrical vertical with closed top) in position all as specified and as directed.

Taking out the existing corroded sump/valve chamber's cover and frame work and material and labour for new cover and frame work made out of 3mm thick mild steel sheet with mild steel flat/ Angle iron base frame below the cover complete with hinges and locking arrangement and grouting in cement concrete including 2 coats of synthetic enamel paint over a coat of red oxide primer all as specified and as directed.

Supply, hoisting and fixing in position of the 500 litres capacity double layered rotational moulded polythelene water storage tank white in colour (cylinderical vertical with closed top) all as specified in SSR Part- I including dismantling the existing PVC, OHT Capacity 500 Ltrs all as specified and as directed. Make: sintex / polycon or equivalent as approved by GE

Material and Labour for preparing plastered or unplasterd old decorated ceiling surfaces and applying one coat of white wash complete all as specified and as directed.

Material and Labour for preparation of old painted wooden surfaces of any description, not otherwise described, over 10cm width or girth and applying one coat of synthetic enamel paint complete all as specified and as directed.

Material and Labour for preparation of old painted steel surfaces of any description, not otherwise described over 10cm width or girth and applying one coat of synthetic enamel paint all as specified and as directed.

Cutting and bushes and cleaning the area around MRS / Domestic / Inliving UG Sumps and OHTs surrounding the SWTs near Runway area including cutting the bushes, trimming the trees. Completed all as specified and as directed.

Supply and Fix mild steel, plain black sheet in repairs cut to size holes punched including round headed screws, clout nails or rivets and fixes to steel framing with plain 40mm lap joints with riveted or welded seams including bending or turning up, mitred angles, but in hearths, covering to door shutters, water tanks cut to size edges beaded if directed, holes punched etc all as directed.

Material and labour painting of steel surfaces 2 coats of any description over 10 cm in width or girth including preparation of new or previously untreated surfaces, priming with red oxide, zinc chrome, synthetic enamel all as directed.

M/S. SRI RAMANUJA CONSTRUCTIONS

G Perumal and co