81338 Provn of 1.3 MLD water treatment plant at Kattabomman under GE Tirunelveli

Amount

Supply, install, testing and commissioning of Pre-chlorination plant including the following accessories and corresponding specifications complete all as specified and directed :- a) Chlorination Dozing System (Qty - 02 Nos.) :- Chlorination dozing system (01 working & 01 stand-by) of capacity 0-24 LPH, Electric Diaphragm type with dozing tank capacity of 300 litres including provision of 01 No. LDPE Tank each.

b) Multigrade Sand filter (Qty -01 No.):- Diameter - 2600 MM Thickness - Shell / dish - 6/8 mm Height on Straight - 1875 mm Material of construction - Mild steel Internal Protection - Epoxy External Protection - Primer coat of Red Oxide with Epoxy Finish Painting Design flow Rate - 100 Cum / Hr Min. Operating Pressure - 2 kg/Sqcm Max. Operating Pressure - 3.5 Kg/ Sqcm Filtering media - Graded Sand and Gravels Media quality - 7700 Kgs (Minimum) Frontal Piping's - 150 mm dia , MS Pipes Pressure Gauge - 2 nos, 0-5 bar, 4" dial with bottom entry Valves - Individual CI Butterfly Valves of suitable size, as per manufacturers instructions Make : INDION , Model No. MGF 2600 or equivalent in THERMAX/ DORR-OLIVER

b) ACTIVATED CARBON FILTER (Qty -01 No.):- Diameter - 2600 MM Thickness - Shell / dish - 6/8 mm Height on Straight - 1875 mm Material of construction - Mild steel External Protection - Primer coat of Red Oxide with Epoxy Finish Painting Design operating flow Rate - 100 Cum / Hr Min. Operating Pressure - 2 kg/Sqcm Max. Operating Pressure - 3.5 Kg/ Sqcm Filtering media - Carbon, Under Bed Media Media quality - 5300 Kgs (Minimum) Frontal Piping's - 150 mm dia , MS Pipes Pressure Gauge - 2 nos, 0-5 bar, 4" dial with bottom entry Valves - Individual CI Butterfly Valves of suitable size, as per manufacturers instructions Make : INDION , Model No. ACF 2600 or equivalent in THERMAX/ DORR-OLIVER

Excavation in trenches in any type of soil not exceeding 1.50 metre wide and not exceeding 1.5 metre in depth for laying cables and getting out complete all as specified as directed

Returning, filling, including spreading, levelling, watering and well ramming in layer not exceeding 25 cm each, excavated soil in trenches after the pipes have been laid and tested complete all as specified and as directed.

Removing excavated soil to a distance not exceeding 50 m and depositing where directed at level not exceeding 1.50 metre above the starting point complete all as specified and as directed.

Material and labour for sand filling in trenches including spreading in trenches for cushioning of UG cables complete all as specified and directed. Note : (i) Only punned thickness of sand shall be measured for payment. (ii) In case of non-availability of river sand, "Riddled earth" shall be used for cushioning to cables after obtaining the approval of GE

Supply and lay burnt clay bricks, sub class "B", Designation 75, keeping the width of the brick parallel to the length of the cable complete all as specified and directed.

Supply and laying in repairs, 40 mm dia, medium grade GI tubing for drawing cables at the road crossings, complete all as specified and directed.

Supply, laying in trenches/ on cable trays and testing of 4 Core 70.00 Sqmm XLPE heavy duty cables, insulated screened PVC bedded, galvanised steel strip or wire armoured, electric power cables (Heavy duty) with stranded aluminium conductor , 1100 V, complete all as specified and directed.

Supply and lay PVC insulated multistranded copper FRLS cable of size 6.0 Sqmm 4 core, 1100 V, complete all as specified and directed.

Supply and lay PVC insulated multistranded copper FRLS cable of size 1.5 Sqmm 3 core, 1100 V, complete all as specified and directed.

Supply and fix Bus cable tray auitable for LT cables of size 4 core 6.00 sqmm and 4 core 70 sqmm complete all as specified and directed. Note: All MS work shall be measured and paid separately under Sl item No. 20 here-in-after

Material and labour for earthing complete with galvanized steel earth plate electrode 600 x 600 x 6 mm thick buried directly in ground (earth pit not less than 2.25 mtrs deep below GL) with top edge of earth plate not less than 1.5 Mtrs below normal ground level, earth plate surrounded from all sides by 15cm thick and packed layer of charcoal dust and common salt filling in alternate layers and electrode connections by using galvanized iron strip 32 x 6 mm as earthing lead connected by means of bolts, nuts, check nuts and washer of galvanized iron or steel, provision of 40 mm dia GI pipe light grade for protection of GI strip upto 7.5 meter long and 20mm dia GI pipe medium grade for watering arrangement and PCC (1:3:6) , type C1 chamber, GI funnel, wire gauge, 50 mm thick RCC 1:2:4, type B1 earth pit cover with 6 Nos, 8 mm dia high strength deformed steel TMT bars on both ways including necessary excavation in any type of soil, returning, filling in, removal of surplus soil to distance not exceeding 50 metre, provision of charcoal and salt complete all as shown in electrical plate No 3 of SSR Part-I (2009) complete all as specified and directed. (Note : Earth continuity conductor and GI protection pipe beyond 7.5 meters shall be measured and paid under the respective items)

Material and labour for galvanised iron strip 32 x 6 mm buried in ground/ fixed on wall/ drawn in 40 mm dia light grade GI pipe, complete all as specified and directed.

Supply and lay new 3- layer PP-R (Polypropylene random copolymer) pipes SDR 7.4 & SDR 11, UV stabilised and antimicrobial fusion welded having thermal stability for water supply including all PP-R plain & brass threaded polypropylene random fittings such as bends, elbows, Tees, unions, sockets, flanges etc... laid complete to wall ,ceiling, floors or laid in trenches complete all as specified of following sizes:-

110 mm dia

75 mm dia

Supply and fix flow meter, mechanical type, 100 mm size, complete all as per manufacturers instructions and as specified and directed. Make: Kranti or Equivalent as approved by GE

Supply and fix CI foot valve, suitable for fixing to 110 mm dia PP-R pipes, complete all as per manufacturers instructions and as specified and directed.

Supply and fix Non Return Butterfly valve, suitable for fixing to 75 mm dia PP-R pipes, complete all as per manufacturers instructions and as specified and directed.

Supply and fix Cross arms, bracings, supports, clamps and back plates fabricated from structural steel sections of suitable size, including nuts, bolts, washers, necessary welding, bending cold or hot, drilling holes for bolts, in any shape or size as indicated or directed and inclusive of one primer coat, one under coat and one finishing coat of synthetic enamel paint, for providing supports to Electric cables laid in trays and water supply line, complete all as specified and directed. Note: (i) Supports are to be provided for cables laid in trays at a spacing of 3.00 Mtrs Centre to centre or as per directions of the Engineer-in-charge. (ii) PCC and earthwork for fixing of supports shall be measured and paid separately under respective items.

Material and labour for cutting into existing CI pipe line of 150 mm dia bore and providing new CI "Tee" 150 x 150 x 100 mm for connection including necessary excavation and earthwork, nuts, bolts & washers complete all as specified and directed.

Supply and fix CI Sluice valve of size 100 mm dia, PN 1.6, ISI Marked, complete all as specified and directed. Make: Leader/Kirloskar/L&T/Bir/ Upadhyay/AUDCO

Material and labour for PCC (1:2:4) Type B-1 (using 20 mm graded aggregates) as in foundation, filling and mass concrete for Filter vessels, Pumps & Motors panels, Disinfection equipments, supports, stands etc... including necessary shuttering for casting concrete above and below GL, complete all as specified and directed.

Supply, installation, commissioning and testing of CPRI approved outdoor type star delta control panel board made out of CRCA sheet 3.0 mm thick vermin proof prefabricated (conforming to IS - 8623 Ingress of protection not less than IP 43 ) front operated type with powder coating, size of panel 1225 x 1400 x 350 mm, dust proof with angle iron support of size 50 x 50 x 6 mm , 415 volts, 3 phase, 4 wire, 50 cycle per second, AC supply comprising of 200 Amps capacity copper bus bar for 3 phase and neutral, suitable size, both side opening along with locking arrangement, rain guard canopy system, internally to protect against corrosion, fixed with plain cement concrete (1:2:4) type B1 (using 20 mm graded aggregates) as in foundation and bed, Digital multi function meters with necessary CT's complete with following accessories complete specified and as directed :-

OUTGOING (i) MCB 3 Pole, 63 Amps, 415volts, 3 pole with over load short circuit protection, breaking capacity 10 KA - 05 Nos. Note: All MCCBs / instruments / MCBs / Bus bar shall be housed in a separate housing with on-off latches in the housing

Hydro Therm Engineers

H2O ENGINEERING AND TECHNOLOGIES