CLEANING OF WATER STORAGE OVER HEAD TANKS / UG SUMPS AND DISINFECTION TREATMENT FOR WATER SUPPLY INSTALLATIONS AT AFS BIDAR

Amount

M & L for cleaning the underground sump of 5000 Gallons / 22500 Ltrs capacity by de-canning of water available in the sump with the help of suitable pumpsets and removing the silt/sludge deposited at bottom, cleaning the walls of the sump internal portion by using high pressure vacuum water jets and cleaning followed by anti bacterial (non toxic) spray with UV radiation for suspended bacteria killing, applying one coat of cement based paint (external snow sem) to external surfaces and internal portion with anti bacteriological hygiene floor paint with BACTRON for floors in high wear areas of the sump including preparation and painting all the MS & steel items / structures with one coat of synthetic enamel black paint and closing all the air vents with wire mesh to avoid mosquito breeding if any and writing the cleaning date and due date of cleaning with white letters over a coat of black paint back ground at domestic / technical area complete all as specified and as directed.

All as per item No. 1 here-in-before but Underground sump of capacity 25000 Gallons/112500 Ltrs capacity

All as per item No. 1 here-in-before but Underground sump of capacity 50000 Gallons/225000 Ltrs capacity

M & L for cleaning the Overhead reservoirs of capacity 25000 Gallons/112500 Ltrs by de-canning of water available in the reservoir manually and removing the silt/sludge deposited at bottom, cleaning the walls of the reservoir internal portion by using high pressure water jets vacuum and cleaning followed by anti bacterial (non toxic) spray with UV radiation for suspended bacteria killing, and applying one coat of cement based paint (external snow sem) to external surfaces of existing colour and internal portion with anti bacteriological hygiene floor paint with BACTRON for floors in high wear areas of the reservoir including preparation and painting all the MS & Steel items/ structures with one coat of synthetic enamel black paint and closing all the air vents with wire mesh to avoid mosquito breeding if any and writing the cleaning date and due date of cleaning with white letters over a coat of black paint back ground at domestic / technical area complete all as specified and as directed.

All as per item No. 4 here-in-before but Overhead Reservoir of capacity 50000 Gallons/225000 Ltrs.

M & L for cleaning the Static water tank 25000 Gallons capacity by de-canning of water available in the sump with the help of suitable pumpsets and removing the silt/sludge deposited at bottom, cleaning the walls of the sump internally portion by using high pressure vacuum water jets and cleaning followed by anti bacterial (non toxic) spray with UV radiation for suspended bacteria killing, applying one coat of cement based paint (external snow sem) to external surfaces and internal portion with anti bacteriological hygiene floor paint with BACTRON for floors in high wear areas of the tank including preparation and painting all the MS & Steel items/ structures with one coat of synthetic enamel black paint and writing the cleaning date and due date of cleaning with white letters over a coat of black paint back ground at domestic / technical area complete all as specified and as directed

All as per Item No 6 here-in-before but of 15000 gallons capacity.

M&L for Chemical and Bacteriological and platelets testing to ascertain the Portability of water samples from CMC/Bore well supply for every 06 months to avoid anticipitated water borne diseases (if any) from source to end points of various locations from recognized laboratory duly approved by Central and State Government and submit the test results duly signed by Lab Authorities complete all as specified and as directed. Note:- 1. All the materials required for collection of samples duly sterilized to be provided by the contractor. 2. All Expenditure, and transportation charges deemed to be inclusive in the unit rate.

M&L for Cutting or uprooting grass on old mud phuska including cutting the bushes, plants/ trees (less than 5 inch gridth) situated surroundings of water sumps/ OH tanks and removing rubbish off the premises, cleaning surface and preparing to receive new mud plaster complete all as specified and as directed.

Mild steel plates, plain or chequered, 5mm thick or over in thickness including cut to shape and required size to match the existing trench available at pump house/ power house/ open wells sizes and taking down rusted/ damaged existing plates complete all as specified and as directed.

M&L for Cross arms , bracings, supports, clamps and back plates fabricated from structural steel sections including nuts, bolts, washers, welding, bending cold or hot, drilling holes for bolts, in any shape or size as indicated or directed and inclusive of primer coat, one under coat and one finishing coat of paint complete all as specified and as directed.

Supply only Alum Grade-1 (crystal) in polythene bags (each Bag consisting of 25 KGs) complete all as specified and as directed.

Supply only tolident reagent in 500 ml bottles for testing chlorine content in potable water complete all as specified and as directed.

Supply only STEQUA 411 HD of Chlorine tablet/chlorine granules kit of size 50.80mm in diametre packed in floating plastic sealed disposable packet with arrangement for appropriate water contact with the tablets and circulation through the plastic packets with arrangement for string for hanging suitable for disinfection of municipal water. Disinfection capacity is 7 lakhs litres of water of obtain free chlorine of 0.5 ppm at release complete all as specified and as directed.

Supply only STEQUA 411 AE chlorine tablets of size 50.80mm in diameter packed in plastic sealed disposalbe packet with arrangement for appropriate water contact with the tablet and circulation through the plastic packet, suitable for operation through suitable feeder for disinfection of water line complete all as specified and as directed.

Supply only calcium based high strength granular chlorination chemical (Calcium Hypochlorite 65% chlorite granules) for water treatment with and including plastic drum of 45 Kg packing complete all as specified and as directed.

Supply only sodium hypochloride liquid chlorination chemical for water treatment with and including plastic drum of 45 Kg packing complete all as specified and as directed. Note for item No. 12 to 17 :- 1. The material shall be taken on charge and receipt voucher be issued . The material shall be issued subsequently as required, on Issue Voucher. The details of IV & RV shall be entered in MB before payment

S & F aviation obstruction light fitting including lamp and connecting with suitable size cable including taking down old unserviceable light fitting complete all as specified and as directed

Aluminium strip 25 x 3.15mm with saddles and fixing screws etc for roof conductors and down conductors above ground including taking down old aluminium strip complete all as specified and directed.

Air termination, single pointed aluminium rod 12mm dia and 300mm long including fixing arrangement with porcelain saddles/insulators, fixing screws etc. and disconnection and removing the u/s Aluminium Air termination rod complete all as specified and as directed.

Dismantling the earth chamber, Excavation and removing the u/s earthing materials along with u/s earth electrodes from the existing u/s earth pits and M/L for providing earthing with GI earth plate electrode 600 x 600 x 6 mm thick burried directly in ground vertically to depth of not less than 2.25 mtr deep below normal ground level with top edge of the plate not less than 1.5 mtr below ground level connected to GI earth strip of 32x6mm by means of bolts, nuts, washers of GI and provision of earth lead, GI protection pipe with 40 mm light grade galvanized and 20 mm bore water pipe medium grade GI Tubing including necessary earth work in any type of soil, PCC 1:3:6 type CI (using 20mm graded stone aggregate) earth chamber and 1:2:4 type B1 RCC cover fitted with50mm thick with 6mm dia MS bars complete all as shown in SSR Pt - 1 electrical plate No 3. Note : (i) Quoted rate deemed to include the cost or excavation and earth work PCC Chamber, funnel cover etc. (ii) GI earth strip of size 32X6mm and GI Pipe 40 mm bore light grade up to 7.5m length deemed to be included in the rate quoted by the contractor.

Satish Patpally

Mr Madhusudhan Kotarki

siddharth and company