O and M 2024 - 2025 Supply Installation of Chlorination with all Accessories to Ensure Chlorination in Vadakkoor OHT in Aralvoimozhi Special Grade Town Panchayat.

Amount

Earthwork excavation in all soils and sub soils except hard rock requiring blasting with initial lead and lift including re-filling the sides of foundation in layer of 15 cm thick watering , ramming ,depositing the surplus earth in the premises as directed by departmental officers etc., complete as per SS 20 B TNDSS NO: 23&24VI (S2), VII 9,10- 1m3 For Foundation

Plain cement concrete Using 1:4:8 mix ( One cement , four Crushed Stone Sand and Eight aggregates) using 40 mm ISS HBG metal including cost and conveyance of all materials to work site and all labour charges for mixing, laying,consolidating and curing etc complete as per the standard specifications. TNDSS NO: 28 V, VI (S2) V,VI (S5A) VII

Random rubble masonry in c.m 1:5 (one cement five Crushed Stone Sand) using best new rough and bond stones including simultaneous pointing above ground level with the same mortor and cost of all materials and labour charges etc,complete as per SS..[MoRTH Specfication :Clause 1000/1400

Supplying, fabricating and placing in position of mild steel or TMT rods, including cost of steel and binding wire and all labour charges for cutting, bending, tying and placing in position etc, complete as per SS. TNDSS NO: 97 V,VI (S6) VII (S6) VII-3

Supplying and erecting steel centering for sides and soffits including supports and strutting upto 3.29 m height for plain surface as RCC slabs, rectangular tee (or) elbeams, lintel, bed block stair case waist slab, landing slab, etc., complete as per standard specification. For Plinth Beam

Supplying and errecting Steel Shuttering including necessary supports for plane sufaces in foundation and in all floors for RCC Plinth Beams , using mild steel sheets of suitable size 90cm x 60cm and 10 gauge stiffened with including all labour charges etc., complete.

Reinforced cement concrete 1:11/2:3 (one cement one and half Crushed Stone Sand and three aggregate) using 20mm size I.S.S. metal including cost conveyance of materials to site and all labour charges etc., mixing laying consolidating curring etc., but excluding cost of steel etc., complete as per standard specification as per TNDSS NO: 30 V,VI (S3) VII-3

Brick work in cement mortar 1:5 mix using (One cement and five Crushed Stone Sand) using best quality of III class Country bricks of size (8 3/4"x4 1/4"x 2 3/4") for foundation including curing cost and conveyance of all materials to site and all labour charges etc., complete as per standard specification TNDSS specification No.31 & 31C- 10m3

Plastering in cement mortar 1:3 (one cement three Crushed Stone sand) using 10mm thick including cost and conveyance of all materials and labour charges etc, complete as per standard specification. [MoRTH Specification: Clause:1000/1300]

Plastering in cement mortar 1:4 (one cement Four Crushed Stone Sand) using 12mm thick including cost and conveyance of all materials and labour charges etc, complete as per standard specification. [MoRTH Specification: Clause:1000/1300]

Painting two coats with ready mixed Plastic Emulsion Paint S.I.358 Plastic emulison paint of'approved quality and colour over a priming coat, including thorough scraping, clean removal of dirt, etc complete and including necessary plaster of paris, putty, wherever required including cost and conveyance of all materials and all labour charges etc.complete as per Standard specification and as directed by the departmental officers. TNBP No:66-A (Sl.No.358)

Supply and Delivery Fabrication of MS doors and windows with outer frame and shutter frame in MS angle of size 40mm x 40mm x 6 mm with MS flat 25mm x 25mm x 6mm and MS sheet of 18 gauge including ventilating arrangements using 20mm square MS rods with locking arrangements including two coats of approved enamel paint over coat of red oxide including cost of angles, plates, sheets, fabrication charges, cost of hold fast and transportation charges etc., complete. For Fully panelled Double leaf - Door 1.00 m x 2.10 m

Supply and Delivery Fabrication of MS doors and windows with outer frame and shutter frame in MS angle of size 40mm x 40mm x 6 mm with MS flat 25mm x 25mm x 6mm and MS sheet of 18 gauge including ventilating arrangements using 20mm square MS rods with locking arrangements including two coats of approved enamel paint over coat of red oxide including cost of angles, plates, sheets, fabrication charges, cost of hold fast and transportation charges etc., complete. For Fully panelled Double leaf - Window (without Ventilator) 1.20 m x 0.90 m

Paving the floor with Plain/Design Ceramic tiles ( Colour and shade as directed ) of Vitrified Tiles of size 600 x 600 x 8mm in all floors over a base layer of cm 1:3 mix 20mm thick laid in situ and pointed with same coloured cement ( white cement mixed with colouring pigment ) neatly and fixed in position so as to make it perfectly smooth and shining,to the alignment etc.complete complying with standared specifications and as directed by the departmental officers. The sample colour and shade of the ceramic tiles should be got approved from the departmental officers before use in the works - 10m2.

Wiring with 2x1.5 sqmm PVC unsheathed Sc. Cu. conductor of 1100V grade in suitable PVC rigid pipe concealed in wall and ceiling with PVC accessories with TW switch box and 5A F.T. switch in fush with wall with 3mm thick hylum sheet cover for making good of the coneal3ed portion with suitable colour for PVC concealed light point (For electronic regulator). SD 18 (light point)

Wiring with 2 x 1.5sqmm (22/0.3) PVC insulated SC unsheathed Cu. conductor of 1100 V grade in suitable PVC rigid pipe concealed in wall and ceiling with PVC accessories, in flush with wall, wtih 150mm x 100mm x 113mm TW switch box with 3 mm thick Hylem sheet cover for 5A 3 pin non inter locking CS Plug with continuous earth wire connection of 14 SWG TC wire and making good of the concealed portion with suitable colour for concealed PVC plug point. (SD 36)

Supply and fixing of 20W 4 Feet LED Fitting with LED on wall or ceiling with LED tube with PVC unsheathed copper leads from terminals to the fitting.

Supply and fixing of 1200 mm (48") AC ceiling fan complete with stepped electronic 300W regulator with 11 meter down rod on the existing clamp. (SD 107)

Supply and fixing of fancy glass shade and 15 W LED Bulb etc. complete. (SD 80)

Supply and fixing of 32A TPNMC switch on suitable angle iron frame work with MS cable entry box with earth connection only (SD 148).

Supply and fixing of 10A 400V, 50 Hz 3 phase 4 wire watt hour meter on suitable TW box with earth connection. SD 127.

Supply and fixing of TNEB meter board suitable for 32A single phase service connection with 32A fuse unit (500V) 32A neutral link and earth link (1"x1/8"copperflat) on TW plank of size 375mm x 300mm x 19mm with supporting TW reepers of 1" thick an either side with painting with suitable bolt and nuts for fixing the TW plank on wall with earth connection and inter connection with 7/20 PVC insulated copper wire from EB meter to fuse unit. SD 126.

Supply, Delivery, Erection, Testing, and Commissioning of automatic spot Chlorination system using metering dosing pump motor driven, Mechanically actuated diaphragm with operated on 415v 3 phase 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 level.

Supply and Delivery of 2000 Lts three layer polyethylene chemical storage tank to hold sodium hypo solution for approved brand and Including nPvc Teflon Hose Collar, Tank Nipple and Ball Valve Etc.

Supply and laying of 4 core 6sq.mm PVC copper UG cable.

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

Supply, Delivery, and filling of sodium Hypo chlorite solution ( Bleaching liquid) Liquid concentration power 4 to 6% (Grade I ) basis as per IS 11673- 1992 for Drinking water chlorination, Including Transporting charges.

Supply, delivery and installation of water level measuring system up to 1 mm accuracy to measure up to 30 m depth in wells/OHTs/ sumps with suitable sensor, level transducer with transmitter, 2 or 4 wire loop, all wetted parts in SS304 or above and with Remote control and suitable LED display unit easily readable upto 10m distance, cabinet to house remote display unit, Low/High alarm with suitable speaker, suitable cables with data storage capacity for 1 year and data transfer facility and with all required accessories including 1 year free replacement warranty etc., complete.

S.P.SUTHA (BID ID -1475179)