MAINT AND REPAIR OF DELIVERY AND SUCTION PIPE LINE CLEANING OF OHTs AND OTHER ALLIED WORKS AT WATER SUPPLY INSTALLATION UNDER GE (WEST) FEROZEPUR CANTT

Amount

Mechanized cleaning and disinfection of OHT with six stages processes mechanical dewatering, distillery and remove of left over dirty water sludge, clean the wall, roof and floor from 10000 gallons to 2 lacs gallons capacity upto 45 meter stagging with the following stages:- Stage - I Mechanized dewatering - mechanized dewatering should be done by submersible dewatering pump having, suitable outlet and discharge and control panel. The details of motor cable, seal, material of construction and control panel should be furnished. Stage – II Sludge removal – desilting and removal of left over dirty water sludge with a sludge removal pump. Stage – III High pressure cleaning – cleaning of wall, ceiling, and floor by high pressure of 80 bars-180 bars. Cleaning should be done by high pressure cleaner with following specification fully automatic controlled, auto start –slope, imported high pressure cleaning machine having F-Class insulation protection. The heavy duty machined should be operated by HPC operator, on continuous duty in variable fully adjustable mode from working pressure of 100 bars-180 bars. The machine should have imported twin steel core protection rubber high pressure hose to safety. With stand operating pressure of 250 bar, and two cleaning lances, one with rotary jet and the second one, a flat jet for effective drinking water tank operation.

Stage – IV Vacuum cleaning – removal of remaining sludge from the floor with the help of industrial vacuum cleaner. (A) Removal of remaining sludge with the help of imported heavy duty industrial vacuum cleaner and sludge sucker having maximum power of 1200 watt, with suitable heavy duty motor. (B) Imported sludge sucker should be a part of the high pressure system which sucks sludge and through the same out of the tank, he must handle solid particles as well. STAGE – V Anti-bacterial Spray – Spring of non-toxic-biodigrable, ecofriendly anti-bacterial agent to disinfect the tank from all harmful pathogens. The dose utilized should be safe as per WHO guideline. STAGE – IV UV Radiator–treatment of inside of tank by exposing UV radiator to kill further suspended or floating bacteria if any treatment of inside tank be done by exposing UV radiation by imported heavy duty UV radiator. The radiator should be designed in away to ensure 360 degrees of sterilization and should have suitable lamps for effective sterilization for a period of 8000 working hours, the radiator must be totally portable and effective for final sterilization of drinking water tanks for elimination of floating and suspended bacteria.

Notes :- i. Contractor must clean and disinfect the water storage tank within 24 hours after giving the site by Engr-in-Charge to avoid the inconvenice for distribution of water supply to the connected areas. ii. In case of any accident during the work in progress the contractor will be fully responsible to give necessary medical aids and also compensate to worker under compensation act 1923. iii. No extra payment will be made for transportation of any machinaries required for cleaning and disinfecton of storage tank iv. Contractor must arrange the videography during the work in progress and submit the CD in 2 copies to Engr-in-Charge and the cost shall be deemed included in quoted rate. v. Contractor must write the date of cleaning and capacity of tank at the wall of the storage tank in size of 2 feet x 2 feet base prepared by enamel paint. Base should be in light blue colour and letters should be white colour and the cost shall be deemed included in quoted rate. vi. While execution the work contractor must have all safety equipment and follow all safety parameters at site.

Supply only first aid kit box having following items : 1) Alcohol or non alcohol antiseptic wipes, Band-Aids, Cotton Balls, Cotton Swabs, Iodine, Bandages, Hydrogen Peroxide, Gauze, Saline, Dressings, Adhesive bandages, Moleskin, Gloves, Goggles, Surgical mask, Apron, Trauma shears , Alcohol rub, Thermometer, Space blanket, Penlight, Paracetamol complete all as specified and directed.

S&F Fire Extinguisher (Stored Pressure type) capacity 04 Kg duly ISI marked conforming to IS: 15683:2006, with IS 14609, ISI marked DCP (Dry Chemical Powder) complete with squeeze grip release valve, discharge pipe, locking arrangement, pressure gauge, operation manual and bracket. Operating Temperature: - 10ºC to + 55ºC. Make: Cat part No Cf-001545 of Ceasefire or techno commercially equivalent in approved makes

Supply only fire hook with bamboo approx 3 m.

Supply only fire beater with bamboo approx 3 m.

M&L Air termination, single pointed Aluminium rod 12mm dia and 300mm long complete fixed on the middle top of OHT on the four insulator frame made out of flat Copper earthing strip of size 25mmx4mm complete all as specified and directed.

M&L test point terminal block made of gun metal or phosphorus bronze size 75mmx75mmx25mm drilled and screwed including 3 Nos 8 mm dia 25 mm long hex head screw fixed on the column of OHT at the height of 4 feet from the ground level upon the four insulator frame made out of flate Copper earthing strip of size 25mmx4mm complete all as specified and directed. Note :- The same shall be cover with SS box of suitable size with provision of lock and key. The rates for the same arrangement shall deemed to be included in the quoted rates.

S&F Aluminium strip 25mm x 3.15mm with saddles and fixing screws etc. for roof conductors and down conductors above ground fixed with porcelene insulator at the interval of 1.00 m complete all as specified and directed.

M&L earthing complete with galvanized steel plate elecrode of size 60cm x 60cm and 6.0 mm thick burried directly in ground vertically to a depth not less than 2.50 m below the ground level with top edge of earth plate at a depth not less than 1.5 m below ground level. Earth plate surrounded by 15mm thick packed alternative layers of charcoal dust and comman salt, earth lead GI strip 25mm x 4mm by means of bolts, nuts, check nuts and washers of galvanised iron with thimbles. The other end of GI earth wire is connected to main switch board and protected by light grade GI pipe of 15 mm bore. Provision of 20mm bore light grade GI pipe for watering including GI funnel and wire mesh. Pipe shall be provided vertically upto top level of earth pit and then taken horrizontally to the earth pit. Cement concrete chamber of PCC 1:3:6, type C-2 (using 40 mm graded stone aggregate). The chamber shall be constructed one metre away from edge of earth pit. 50 mm thick pre cast cover of cement conrete 1:2:4, type B-1 (using 20 mm graded stone aggregate), excavation in soft / loose soil, returning filling and removal of surplus soil to a distance of 50 mm as directed and shown in Electrical Plate No- 3 of SSR Part-1 (2009).

M&L applying two coats of 100% Premium acrylic emulsion paint having VOC less than 50 GM/litre and UV resistance as per IS 15489:2004, Alkali & fungal resistance, dirt resistance exterior paint of required shade (Company Depot Tinted) with silicon additives @ 1.43 litre / 10 Sqm over and including priming coat of exterior primer applied @ 0.90 litre / 10 Sqm over prepared surfaces including complete removal of existing treatment all as per below mentioned stages for complete exterior including all walls, all columns, beams, stairs, ceilings, parapets, top roof etc for 2.00 lakh Gallon capacity overhead tanks:- (i) Complete removal of existing treatment: The surfaces shall be cleaned to remove loose dirt or dust, lichen, algae, fungi or any organic growth by use of stiff brush. Then the surface is washed well and allow water to dry. All cracks, voids and minor damages shall be patched/repaired with white cement putty or with Plaster of Paris, prior to application of paint. In case of old surfaces where excessive fungal/algal growth is observed the surface should be bio washed as per manufacturers instructions. Allow the surface to dry before it is ready for painting. (ii) Primer Coat: Over this prepared surface apply a coat of acrylic emulsion exterior primer as per manufacturer’s instructions. This shall be allowed to dry for 4 to 6 hours before application of final paint. (iii) Finishing Coat: Acrylic Exterior Emulsion paint of premium quality 100% Acrylic shall be applied in two coats as per manufacturer's instructions. Paint shall be applied with brushes or roller and shall be allowed to dry for 3 to 4 hours between subsequent coat.

(iv) Finishing to Handrails if any : Preparing old painted steel surfaces and applying one coat (finishing coat) of synthetic enamel paint complete. Note: Quoted rate shall be deemed to be inclusive of necessary scaffolding arrangement for the complete work and provision of all precautions like safety helmet, safety belts etc to the labours. Quoted rates are also deemed to be inclusive of necessary life insurance coverage to all workers employed by contractor. The bidders are requested to visit each site before submitting their bid. External protective coating (Appx: 400/sqm) Protective Coating (External) : M&L for providing and applying Dekground E2000 manufactured by Fosroc Chemicals India Pvt Ltd or equivalent and applied by authorised applicator Total anticarbonation system comprises of a silane siloxane based penetrating primer (Dekguard primer WB) and elastomeric pigemented coating (dekguard E2000). Deckguard E2000 is a single component elastomeric, anticarbonation, liphatic acrylic protective coating, or equivalent as approved by GE Minimum recommended rate of application is 1.5 Sqm/litre (including wastage) to achieve a total DFT of 200-300 microns on external side of 1 lakh gallon OHT fulfilling functional parameters as following:- (a) Static crack spanning capability @200 microns dft @23°C : 2mm as per ASTM C836-76. (b) Solar reflective index (white colour) 105% as per ASTM E1980-11 (c) Adhesion greater than 1.0N/mm² as per BS 1881. (d) CO2 diffusion resistane not less than 240 mm equivalent of air thickness and 60cm equivalent of 30N concrete (Taywood method, at 309 microns dft) System includes surface preprtion and application as per Fosroc methodology or equivalent as approved by GE.

M&L stair inside overhead tank made out of two Nos of 100mmx100mmx8mm angle iron of length 4 m to 6 m complete internaly connected with angle iron of size 50mm x 50mm x 6mm of 60cm wide fixed at least 0.5 m interval with two nos of nut bolts and washer of 100mm length and 12mm dia & welded properly both side alongwith S& F mosquito net all around of hole of OHT to prevent the water from pegion, birds etc complete all as specified and directed.

M&L excavating in post holes on the top of over head (or similar holes) each not exceeding 0.5 Cum, getting out, returning, filling in and ramming earth or broken rubble mixed with earth around, in layers not exceeding 25 cm, complete all as speciified and directed.

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

Supply, Installation, Testing and Commissioning of Ultrasonic Level Transmitter at Sump for measurement of level with following specification:- Range : 0-8 meters Accuracy : 0.5 % minimum Supply Voltage : 24 Volts DC Output : 4-20 mA , 0-10 Volts DC Make: Nivelco / Siemens / Banner Note : Contractor shall submit a 'MOU' from OEM on a non-judicial stamp paper of RS. 100.00 duly notarized with an undertaking stating that execution of all automation related items of work shall be carried out under technical support and guidance of OEM. MOU should be taken from M/s Universal Switch gear control / ABB automation / Tricolite and GE automation prior to acceptance of the contract.

Supply, Installation Testing and Commissioning of Outdoor type having Canopy and Double Door for weather protection, PLC ( Programmable Logic Controller) based Automation, Protection Panel suitable for control and monitoring of 01 Nos. Ultrasonic Sensor. The panel should be of minimum size 600mm (H) X 600mm (W) X 250mm (D) fabricated from 3.15 mm CRCA Sheet. The Panel shall be comprised the following functions & items:- (i) Water Level Sensing & Display (ii) 01 No. of PLC with following specifications:- MAKE:- SCHNEIDER/SIEMENS/ABB/PHOENIX CONTACT (a). Non isolated RS 485 communication port or Ethernet communication port. (b). Suitable No. of digital / analog input and outputs. (c). Programming software based on IEC to facilitate building of custom build function blocks.

Continued :- No. 2 (iii) 01 No. of HMI - 7" Graphical Touch screen display Make: SCHNEIDER / SIEMENS/ ABB/ PHOENIX CONTACT (a). Should have 01 No. RS 485 and 01 No. USB programming port. (b). Should have USB downloading port. (c). Support external data storage on a USB memory stick for storing production data and backing up applications (iv) 01 No. of SMPS of 1.5A rating as suitable according to panel design. Make: SCHNEIDER / OMRON / PHOENIX CONTACT (v) MCB rating 6Amps to 10Amps Make:- Legrand/ Schneider/ABB (vi) Indicator lamp :- As per requirement Make:- Schneider/ ESBEE/ABB (vii) CRCA Enclosure:- Make : Universal Switch Gear Control / Hoffman / Adlec / Tricolite Make of the PLC based panel:- Universal Switch Gear Control or equivalent in ABB Automation/Tricolite/GE Automation Note :- The range of sensor shall be workable upto 250 RM distance from the tank and Screen shall be installed at Pump room complete all as specified and directed.

S&F Unplasticised PVC pipes of pressure rating 10 Kgf/cm2 laid in trenches fixing on wall/ laid in trenches for drawing 4 core screened/ shielded communication cable with min 20mm bore and saddles etc complete all as specified and directed. Make : Havells/ Polycab

Supply only 2 Core 1.5 Sqmm PVC sheathed PVC insulated Copper armoured cable. Make: Havells/Polycab/Gloster

Supply only 4 Core 1.5 Sqmm PVC sheathed PVC insulated Copper armoured cable. Make: Havells/Polycab/Gloster

M/s Bansi Lal

PAWAN KUMAR GOVT. CONTRACTORS