CLEANING OF UG SUMPS , OHT AND SERVICE TANKS INCLUDING REPAIR / REPLACEMENT OF FLOAT VALVES AND OTHER MISCELLANEOUS WORKS AT VAYUSENA NAGAR, NAGPUR

Amount

Material and labour for cleaning of underground water storage tank/sump after scrapping out the scales/deposits from all inner surfaces of sump thoroughly washing with bleaching powder solution (mixed @ 0.5 Kg of bleaching powder of chlorine content 30% per 1000 liters of water), bailing out the settled materials completely away from the site within 100 metres distance, cleaning the tank with clean water and finally sterilizing the tank as mentioned in notes below and resetting the existing level readings complete including taking down and re-fixing of foot valve after necessary cleaning, repairs etc., and replacing minor parts if any required for proper functioning of foot valve, testing and writing “TANK CLEANED ON…..”(date), “DUE DATE ON…..(date) with 10 cm size white letters on black back ground by engaging skilled artist using best quality synthetic enamel paint all as specified and directed for the following sizes:- UG Sump at Gorewada Pump House (50000 GLN)

UG Sump at New Pump House ( 2 Lakh GLN)

UG Sump at Officer Mess (Semi Circulation 1 Lakh GLN)

UG Sump at Command Pump House (Semi Circulation 1 Lakh GLN)

Material and labour for Cleaning of RCC over head water tank of capacity 1.5 Lakh GLN at 25 metre height having two compartments by removing sludge, mud or any other foreign material from the bottom and internal wall surface of tank by means of wire brush and spraying of cleaned fresh water, bailing out accumulated dirty water inside the tank with pump sets, removal of deposited muds and other sediments, washing of internal surface with sufficient quantity of mixture in suitable proportion (0.5 Kg of bleaching powder of chlorine content 30% per 1000 liters of water), finally applying two coats of lime washing on entire internal surface of walls,allowing applied coat to become dry and wait for confirmation from MES Staff , writing the date of cleaning and capacity of tank with white synthetic enamel paint on black background with synthetic enamel paint complete all as directed by for the following locations:- New Pump House OHT

All as per item no 2 above but for Old Pump House RCC over head water tank of capacity 1.5 Lakh GLN at 25 metre height having two compartments

Material and labour for Cleaning of RCC under ground sump reservoir/S WT 50000 gallons capacity by removing sludge, mud or any other foreign material from the bottom and internal wall surface of tank by means of wire brush and spraying of cleaned fresh water, bailing out accumulated dirty water inside the tank with using Sludge pump sets, removal of deposited muds and other sediments, washing of internal surface with sufficient quantity of mixture in suitable proportion (0.5 Kg of bleaching powder of chlorine content 30% per 1000 liters of water), finally applying two coats of lime washing on entire internal surface of walls,allowing applied coat to become dry and wait for confirmation from MES Staff, writing the date of cleaning and capacity of tank with white synthetic enamel paint on black background with synthetic enamel paint complete all as directed by Engineer-in-charge for the following locations:- Command HQ/Sudha Park /Telankhedi pump House/Satya park/Golf ground SWT or UG Sump (Round Type) near Command Bldg/MT yard/MES office yard

Note for Item No 1 to 7:- The contractor should follow the following procedure in addition to above which demeed to be included in the quoted rate. (a) Mechanized removal of all dirty water by using high capacity submersible pumps. (b) Removal of sludge by using vaccum operated pump (c) Cleaning of walls, ceiling and ground by high pressure rotary jet pressure. (d) Removal of all dirt particles by industrial wet vaccum cleaner leaving the tank physically cleaned as per Engr-in- Charge satisfaction. (e) All the required Tools and plants, and materials will be supplied by the contractor during the work. (f) Fresh air to be blown into the tank for a period before allowing a person to enter. The cleaner should wear protective clothing, including gloves, a boots, Safety Helmet and glasses. Contractor should make sure someone remains outside the tank, next to the access hatch all the time in case the cleaner has an accident.

Supply only calcium hypochlorite granules having chlorine content => 65% in air tight containers all as directed. Make:- Grasim Industries (or) any other equivalent ISI marked make

Material and labour for testing of potable water sample collected from Vayusena Nagar Nagpur and testing report from NABL acredited lab as per BIS - 10500:2012 parameters Complete for drinking water carried out all as dieracted. Note:- The rate quoted by contractor includes the following: 1. Collecting water samples in sterlised containers from the location as directed by Eng-in-Charge 2. Transporting the collected sample immediately to the lab and submitting the test report to the Eng-in-Charge

Supply only salt (sodium chloride) in fine form of good quality. Make: Tata/ Aashirvaad salt/ Indian sea salt

Material and labour for cleaning and removing all scales and dirt etc, from PVC tanks of capacity 300 Ltrs by emptying, drying, cleaning by scrubbing the dust with wire brush, after removing inlet and outlet pipes (also cleaning the mouths of circulating pipe) and refixing including writing date of cleaning with synthetic enamel white paint in proper format as directed. NOTE: (i) All inlet and outlet pipes are to be checked properly for any leakage during the cleaning of tanks. (ii) If any float valve broken at the time of cleaning , the contractor has to be replace the same without any extra payment by the department.

All as per item No 8 but of capacity 500 Ltrs

All as per item No 8 but of capacity exc 500 Ltrs but n. exc 1000 Ltrs.

All as per item No 8 but of capacity exc 1000 Ltrs but n. exc 2000 Ltrs.

All as per item No 8 but of capacity exc 2000 Ltrs but n. exc 10000 Ltrs.

Supply & fix rotational moulded polyethylene water storage tanks of capacity 500 Ltrs 3 layers white colour (cylinderical vertical with closed top) hoisted and fixed in position including all accessories all as specified and directed.

All as per item No 13 above but tanks of capacity 1000 Ltrs

All as per item No 13 above but tanks of capacity 2000 Ltrs

Material and labour for Dismantling of old unserviceable water tank removing from existing location of capacity 500 ltrs complete all as specified and as directed.

All as per item No 16 above but of capacity 1000 ltrs.

All as per item No 16 above but of capacity 2000 ltrs.

Supply & fix in repair 25 mm bore dia ball valves high pressure of PTMT with epoxy coated Aluminium rod and high density plastic ball screwed for iron pipe and fixing with all connected accessories complete (Minimum weight-455 gms) all as specified and directed.

All as per item No 20 above but 20 mm bore dia ball valves (Minimum weight- 210 gms)

All as per item No 20 above but 15 mm bore dia ball valves (Minimum weight- 142 gms)

Supply & fix in repair polyethylene water storage tank lid black colour without threaded but included nut bolts and hucks of capacity exc 250 litre and not exc 1000 litre capacity as per site requirement all as specified and as directed.

Supply & fix in repair polyethylene water storage tank lid cover white/black colour threaded type of capacity exc 250 litre and not exc 1000 litre capacity as per site requirement all as specified and as directed.

All as per item No 23 above but of capacity exc 1000 litre and not exc 10000 litre

SONA LAKSHMI ASSOCIATE (BID ID -3484761)

Bidder Name

Shri Sai Enterprises

SONA LAKSHMI ASSOCIATE