Providing of Repairs and Maintance of Liquid Chlorination plants in Ward 10 - 18 in Thiruverkadu Municipality

Supplying, fabricating, erecting structural steel work for roofing welded or bolted type using MS channels, angles, plates and round bars etc. conforming to IS specification including primer coating and enamal painting as per Design given by the departmental officers etc, complete as per standard specification

Fabricating supplying and fixing of pre painted galvanium colour sheets with the following specification. The materials should be of PPGI tile profile with a red colour or any other approved design 0.47 mm thick 24 guage having width 1050 mm. The sheet should be G.I.base pre painted hot dipped galvanized iron sheet and to be fixed with shelf tapping screws,plastic washer.The washer and screws to be fixed by using minute power machine drilled with out damaging the sheets paint coating to be regular modified polyster coat with zinc coating of Z 120 GSM paint thickness the finish should be terra cotta finish like malabar mangalore tiles finish optional matt finish. The sheet to be fixed with making suitable corrugated,cutting the sheet in to the required ssize and making ornamental designs as per the site condition and as directed by the departmental officers.

Supplying and fixing of 1000 litters capacity HDPE tank of approved quality including cost of all materials like tank fittings, lead .lift, errection etc complete. TWAD WD-M1419

Supply and fixng of TNEB meter board suitable for 3 phase 200A service connection made up of suitable angle iron frame work of size 3 feet x 2 feet using angle iron of size 1-1/2" x 1-1/2" x 1/4" rigidly fixed on wall covered with hylem sheet of size 3 feet x 2 feet of 12mm thickness with necessary bolts and nuts supports and supply and fixing of 3 Nos. 200A fuse units (500V), 1 No. neutral link, copper earth flat of size 1" x 1/4" with inter connection of EB meter to fuse units by 19/16 PVC insulated copper wire with earth connection complete SD 131

Supply and fixing 16amps DP switch with metal clad(side handle) of 500 V with F & N on suitable teak wood Board of size 30cmx20cmx6 cm including necessary internal conection,earth connection etc.,complete (SD 142)

Supply and run off 2 of 4 sqmm PVC insulated single core unsheathed copper conductor cable of 1100 V grade with ISI mark confirming to IS:694/1990 with continious earth connection by means of 1.50 sqmm PVC insulated single core unsheathed copper conductor cable confirming to IS:694/1990 in suitable PVC rigid pipe 1.8mm thick concealed in wall for mains including the cost of PVC pipes and specials, cables, cement, brass screws, T.W plugs, saddles and labour etc.,

Wiring with 2 x 1.5 sq.mm. (22 / 0.3) PVC insulated unsheathed SC copper conductor of 1100V grade in suitable PVC rigid pipe concealed in wall and ceiling with PVC accessoires with TW switch box and 5A FT switch in flush with wall with 3mm thick hylum sheet cover for making good of the concealed portion with suitable colour for PVC concealed Plug point (for electronic regulator)

Wiring with 2x1.5sqmm PVC insulated single core unsheathed copper conductor cable of 1100V grade with ISI mark confirming to IS: 694/1990 in suitable PVC rigid pipe of 1.8mm thick with ISI mark concealed in wall and ceiling with PVC accessories in flush with wall including the cost of cable, pvc pipe and specials, ceiling rose, flush type 5ams SP mark switch, PVC junction box, 16gauge MS switch box 100mm x 100mm x 75mm covered by laminated hylem sheet 3mm thick, cement, labour and making good of concealed portion with suitable colour for concealed PVC LIGHT point. (SD 24)

Earthing as per the ISI specification with an earth electrode of 2.10 metre Class 'B' GI pipe of dia not less than40mm with copper earth plate of size 125mm x 50mm x 6mm with necessary funneling arrangements withnecessary masonry work and with 38mm RCC cover slab for the brick masonry (SD233)

Supply and fixing of single box type 4'36W fluorescent fitting complete with electronic ballast with TW roundblocks on wall or ceiling with flu tube with PVC unsheathed Copper leads from terminals to the fitting (SD87)

Supply and fixing of 5A / 15A 3 pin combined flush type wall socket with 15A flush type switch on suitable TW Box (SD 136)

Supply, Delivery, Erection, Testing, and Commissioning of automatic spot Chlorination system using metering dosing pump with operated on 440v 50 HZ 1440 Rpm 0.5 Hp, Max 30 LPH, Manual flow control, Adjustable while running, Light weight aluminum alloy body, Turn down ratio 10:1, Liquid end material of construction in PP PVC, PVDF and SS- 316, Suitable for liquid chlorine application, injection pressure 10 KG/CM including foot valve, pp valve, and tubing connector for inlet and outlet, anti siphon valve, etc

Supply, Fixing and commissioning of flow sensor having sensing with SS316 spring actuated tong, outer MS body for auto operation.

Supply and fixing of FRP molded dry run sensor having magnetic sensor of 5 volt operated switch with mounted 3 core 1.5 Sq mm flexible pvc sheathed pvc insulated copper cable of above 5 mtr length, fixed on the HDPE tank to sense the dry run leve

Supply and laying of 1.5 sq mm 3 core copper armored cable 1100V grade cable and Necessary GI Clamps and Screws.

Supply and laying Braided hose, suitable PP/ PVC tubing connector, suitable ball valve and other accessories