COMPREHENSIVE MAINTENANCE OF SAND MEDIA FILTER AND CHLORONOME PLANTS INCLUDING CHEMICALS AT VARIOUS LOCATIONS UNDER GE (NAVY) CHENNAI

S & F in replacement of gear assembly all as specified and directed.

S & F in replacement of Motor shaft gear complete all as specified and directed.

S & F in replacement Gear box complete set all as specified and directed.

S & F in replacement of motor bearing all as specified and directed.

S & F in replacement of double ball valve

S & F in replacement of double injector valve assembly

S & F in replacement of injector valve assembly

S & F in replacement of injector body

S & F in replacement of dosing head assembly

S & F in replacement of diaphgram

S & F in replacement of suction filter all as specified and directed.

S & F in replacement of support disk

S & F in replacement of connection unit

S & F in replacement of 'O' ring viton 'B'

S & F in replacement of worm wheel

S & F in replacement of Eccentric shaft

S & F in replacement of RAM assembly

S & F in replacement of spring for RAM assy complete all as specified and directed.

S & F in replacement dozer cup/cone assembly complete

S & F in replacement dozer side cover assembly complete

S & F in replacement of grove bearing all as specified and directed.

S & F in replacement of front cover assembly all as specified and directed.

S & F in replacement of FRP container 150 litre capacity

S & F in replacement of PVC flexible tubing 15 mm dia heavy duty.

S & F in replacement of stroke adjusting knob complete.

Dismantling, taking down unserviceable, 3 phase electric motor 60 watt 1/12 HP 1400 RPM 250/440 volts 0.33 amps 50 HZ from chemical bleaching dozer, opening up, cutting down the burnt coil after transporting to workshop and rewinding with insulated copper winding wire of suitable gauge including applying varnish and letting down to dry in sunlight and reassembling, transporting to work site and testing for correct functional complete all as specified and directed.

S & F in replacement of PVC insulated four core cable copper conductor 1.0 sqmm

S&F DOL starter any rating suitable for dozing plant and connecting with existing electric circuit all as specified and directed.

Supply and fixing (in replacement) 3 phase electric motor 60 watt 1/12 HP 1400 RPM 250/440 volts 0.33 amps 50 HZ suitable for chemical bleaching dozer complete all as specified Make: crompton Greaves (as per existing) or equivalent as approved.

Supply only water testing solution O-tolodine bottle 500 ml Make : Nice chemicals Pvt Ltd or equivalent.

Supply only chlorine testing kit complete.

Material and labour for writing OHT/UG Sump cleaned on date, and due date with background of size 2 feet x 2 feet with black synthetic enameled paint and writing words and figures with white synthetic enamel paint complete all as specified and as directed

M&L for earthing with galvanized steel earth plate electrode of size 600 mm x 600 mm x 6.3 mm buried directly in ground (earth pit not less than 2.25 Mtr below normal ground level ) connected to galvanized earth strip 25x4 mm dia by means of bolts, nuts, check nuts and washers of galvanized iron or steel including 40 mm dia medium grade GI tubing for protection of earth lead, MS sheet metal funnel with wire mesh, watering pipe medium grade 20 mm dia, charcoal or coke and common salt in alternative layer of 15 Cm compacted thickness all around the electrode with concrete earth pit of PCC 1:3:6 type C1, 50 mm thick precast RCC (1:2:4) type B1 pit cover reinforced with 8 mm dia deformed bar and suitable handle made of 10 mm dia round bar including galvanised strip of size 25x4 mm for extension of earth lead and necessary excavation, earth work, in soft/loose soil and disposal of spoils to a disance not exc 50 mtr and necessary connection and testing complete all as shown in electrical plate No. 3 of SSR Pt-I,2009 including testing point all as directed and specified.

Cutting of road / hard standing foot path not exceeding 0.30cm wide and 0.60 mtr depth for laying of cable including making good with PCC 1:3:6 type C2 complete all as directed.

Cutting/pruning of tree branches along/around water supply installations, over head tanks, UG Sumps at places within 2 mtr from end point all around each infrstructure of the installation and removing from site complete all as specified and directed

M&L surface dressing not exceeding 30cm deep including cutting growth bushes small trees, roots, around valve chamber OH tankes, UG sumps and E/M installations in hard/dense soil all as directed.

Preparation of new steel and iron surfaces of any description, over 10cm in width or girth,not otherwise described and applying two coat of synthetic enamel paint over a coat of red oxide primer, complete all as specified and directed.

Mild Steel framed work as in doors or gates of angle iron and other sections including pintle hinges etc. Gde Fe-410-O or Fe-310-O complete including welding drilling ec with rails and guides fastening/fixing complete and taking down old unserviceable gate all as specified and directed.

Supply, fabricating and fix valve chamber cover with handle made out of MS plain sheet of thickness 1.6 mm as per IS 2062 of various sizes as per existing valve chambers on angle iron frame of dimensions and painting one coat of red oxide primer and two coats of synthetic enamelled paint as directed including dismantling the existing U/S valve chamber and cover.

M&L Framed work such as grills,gratings, etc.. with ends of bars shouldered and/or riveted,or forged into spikes; framed guard bars; barred iron doors;ladders; framed balusters; walk ways; railings; framework of water tanks and similar work con- forming to Fe.290.Gde-E-165 all as specified and directed.

S&F Butt hinges 100mm heavy weight, cold rolled mild steel and fixed to chamber cover with MS angle frame all as specified and directed.

Supply only calcium Hypochlorite having 60%-70 % available chlorine content in granular from (calcium based and granular disinfectant )for water treatment packed in factory sealed DDPE45 kgs each drum