ADDN / ALTN TO ROOF, RCC WATER TANK, PLUMBING WORK AND WALLS IN BLDG NO P-112 OF OFFICERS MARRIED ACCN AND OTHER SANCTIONED WORKS UNDER GE MINNIEBAY, PORT BLAIR

Amount

Demolition of reinforced cement concrete of any description and in any position not otherwise specially provided for complete all as specified and directed

M&L for Mild Steel work as in Tubular Trusses, Posts etc including special shaped washer etc complete using ERW or induction butt welded tubes confirming to IS - 1161, Grade YST - 240, Medium Grade of any dia complete all as specified and as directed.

M&L for Plates (plain or chequered) channels. Square cut or notched (ordinary and counter sunk) forming holes, without any attachment of Fe 410-W (Gde E-250) quality A ith riveted, bolted or welded attachment

S&F of Pre-painted galvalume aluminiumwith zinc coating grade 275 GI based corrugated steel sheet 0.50mm thick of any colour having tensile strength of 550 Mpa as in roof covering /cladding to wall, fixed with self tapping screws complete all as specified and as directed. Note:-(i) End laps not less than 25cm and side lap at least one corrugation, Mastic lapping tape is to be provided at the laps and stitching screws should be provided at the side lap & end laps at interval of 600mm, eaves filler strip to be bonded to the valleys or pans with flexible water proof silicon sealant. Self tapping screw 65mm long and 32mm long is to be provided at crest and valleys respectively. (ii) Unit rate is deemed to be inclusive of sealant .

All as per item No 04 above nut plain, galvanised, mild steel sheeting, in ridges, hips, valley gutters, drip and stright flashings (length and grith as fixed)

S&F 25 x 6mm aluminium flat wind ties fixed with 50mm/75mm aluminium self staging screws complete all as specifed and as directed

M&L for preparing new steel or iron surfaces of any description over 10 cm width or girth and applying two coats of synthetic enamel paint over a coat of red oxide primer complete all as specifed and as directed.

Taking up or down galvanised steel tubing 20mm bore with fittings from trenches /walls complte all as specified and directed

All as per item No 08 above but 25mm dia.

All as per item No 08 above but 32mm dia.

Supply and laying 20mm CPVC pipe SDR 11 including fittings on walls /ceiling or laying in floors complete all as specified and directed

All as per item No 11 above but 25mm dia.

All as per item No 11 above but 32mm dia.

S&F in repairs Rotational moulded polyethylene water storage tanks of 1000 ltrs (cylindrical vertical with closed top) double layered with lid and proper locking arragements hoisted and fixed in position complte all as specified and directed

S & F 10000 Ltrs rotational moulded polythylene water storage tanks (ISI marked double layer cylindrical vertical with closed top hoisted and fixed in position including proper locking arragements and PCC platform for positioning of water tank , float valve, inlet / outlet / overflow connection etc ) complete all as specified and directed

S&F in repairs 25mm gun metal gate valves with iron wheel head screwed both ends complete all as specified and directed

S&F in repairs 32 mm gun metal gate valves with iron wheel head screwed both ends complete all as specified and directed

M&L for 50 mm thick plain cement concrete type C-2, 1:3:6 using 40mm graded stone aggregate complete all as specified and as directed

S&F 25mm Ball brass valve high pressure of polyethylene float and fly nut complete screwed for iron pipe and fixed, cast copper alloy with crutch or butterfly handle screwed down, screwed for iron pipe or for brass ferrule and fixed complete all as specified and directed

S&F 20 mm outer dia brass Elbow for CPVC pipes complete all as specified and directed

S&F 20mm outer dia brass Elbow (3/4" x 1/2") for CPVC pipes complete all as specified and as directed

S&F 20mm outer dia CPVC female brass adoptor (FTA/FBTA) complete all as specified and as directed

S&F 25 mm outer dia CPVC female brass adoptor (FTA/FBTA) complete all as specified and as directed

S&F 20 mm outer dia Brass Tee complete all as specified and as directed

S&F 25 mm outer dia tank adaptor complete all as specified and as directed

Excavation in trenches n.exc 1.5m wide and n.exc 1.5m in depth: for foundation, etc for shafts, wells, cessapits, manholes, pier holes, etc. n.exc 10 Sq.m on plan and in.exc 1.5m in depth and getting out in soft / loose soil all as specified and directed

Returning, filling in including spreading, levelling watering and well ramming in layers n.exc. 25cm using excavated soil all as specified and as directed.

Removing surplus soil to a distance n.exc 50m and depositing where directed at a level n.exc 1.5m above starting point complete all as specified and directed

Supply and laying 50mm dia GI water tubing medium class under trenches / on wall including all fittings complete all as specified and directed

Supply and laying 40mm dia GI water tubing medium class under trenches / on wall including all fittings complete all as specified and directed

Supply and laying 20mm dia GI water tubing medium class under trenches / on wall including all fittings complete all as specified and directed

Supply and laying 80mm dia GI water tubing medium class under trenches / on wall including all fittings complete all as specified and directed

S & F gun metal gate valve of 40mm bore pipe complete all as specified and as directed.

S & F gun metal gate valve of 50mm bore pipe complete all as specified and as directed.

S&F stop valves of 20mm bore pipe, cast copper alloy,screwed down,high pressure,with crutch or butterfly handle, screwed both, ends complete all as specified and directed

Supply, install and commissioning Non-clog submersible pump set of capacity 5 HP with submersible cable of suitable size and starter all as specified and as directed.

Supply and installation of LT cubical outdoor type enclosure (Box type) made out of CRCA sheet 3.15 mm thick totally enclosed with front opening, with projected an raised platform of suitable size weather and vermin proof with necessary locking arrangements along with lugs, cable glands of various sizes for cables, danger notice plate, strickering of switch gear about load termination, and the nuts/ bolts etc used are to be made of rust proof material incl as per IS: 8623 with necessary arrangement for the below mentioned items complete & powder coating, necessary internal electrical connection as required and provision of the following:- (a) MCCB 63 Amp 4 Pole 50 Hz 415 V with rupturing capacity 25 KA-02 Nos (one for incoming and one for out going). (b) MCB SPN 20 Amp, (c) Digital Voltmeter (0- 230)V AC single phase , (d) Digital Ammeter (0-20) A, (e) Indicating lamps R, Y B,

M&L 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 mir deep below GL) with top edge of earth plate not less than 1.5 Mtr 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 earth strip 32x6 mm size connected by means of bolts, nuts, check nuts and washer of galvanized iron or steel, provision of 15 mm dia GI pipe medium grade for protection of G1 earth wire and 20mm dia GI pipe medium grade for watering arrangement and PCC (1:3:6) , type CI chamber. MS funnel, wire gauge. 50 mm thick RCC 1:2:4, type B1 earth pit cover with 6 Nos of 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 n exc 50 mtr, provision of charcoal and salt complete all as shown in electrical plate No 3 of schedule Part-I. Note: (i) Cost of GI earth wire and GI protection pipe upto 7.5mtr length shall be deemed to be included in the rate quoted for this item. (ii) The unit rate shall also includes for Wire mesh, funnel, excavation, returninng & filling, PCC chamber pit, RCC cover & test point. (iii) PCC pit shall be provided at least 500mm away from the earth pit and not just on the earth pit. (iv) All accessories required for galvanised steel plate electrode required, as specified and as directed.

Supply, laying and testing cable XLPE Insulated ,screened, PVC bedded, galvanized steel strip or wire armoured, electric power cables (heavy duty) 1100 Volts grade with stranded aluminium conductor of size 35 sq mm 3 core complete all as specified and directed

Supply and laying DWC (double Wall corrugated) HDPE pipe ISI marked of outer dia of 50 mm and inner dia 45 mm polethylene including couplers, bends, cap etc., with smooth internal and profiled external surface for non pressure under ground cable complete all as secified.

M & L for point wiring with 1.5 Sq.mm (nominal area) PVC unsheathed multi strandard copper conductor pvc insulated 1100 volt FR grade single core cable drawn through concealed and including rigid pvc conduit medium grade ISI markedof sixe 25 mm and its accessories complete along with 1.5 Sqmm cable but in green colour as continuous earthing wire and connecting to common earth dolly completely on walls/ceiling/roofs with and including 1.2 mm thick MS sheet terminal boxes duly fabricated flush mounting on the wall for mounting switches,switch socket combinations fan regulators etc., as required with 3 mm thick plastic laminated sheet top cover all as directed and specified for the following:-

One light point or one fan point controlled by one switch

One 5 pin socket outlet, 5 amps, independent board

All as per item No 41 above but with 4 Sqmm single core multi standard unsheathed copper conductor for one 3 pin socket 15 Amps on independant board including continuous earth wire PVC insulated 4 Sqmm copper solid conductor to common earth dolly complete all as specified and directed

S & F 36w LED energy efficient surface / recess mounted luminaire suitable for 2 x 2 feet grid ceiling include with frame and wire in colour combination with profilled flat diffuser including high capacity suitable driver unit complete all as specified and directed

S & F switch flush type 5 Amp, 240 Volts complete all as specified and as directed

S & F switch socket outlet 3 & 2 pin 5 Amps 240 volts flush type multi purpose complete all as specified and as directed

S & F switch socket outlet 3 & 2 pin 15 Amps 240 volts flush type complete all as specified and as directed

S&F sheet metal enclosure with double door category of protection type IP-42 factory made with tinned copper 200 Amps rated bus bar suitable for TPN DBs 415 Volts, 8 way concealed in wall such that front cover shall be seen flush with the wall surface all as specified and directed.

S&F MCCB 125 Amps 25 KA ,TP ,415 V,50 Hz all as specified and directed .

S&F MCB single pole 6 to 40 Amps, 240 volts,50 Hz AC supply,10 KA, 'C' series complete all as specified and as directed.

M & L for sub main wiring with two single core PVC insulated unsheathed cable 1100 volts FRLS grade with multi strand copper conductor and drawn into and including rigid 25mm PVC conduit along with continuous earthing wire but in green colour completely on surface/concealed and connected to common earth dolly of the following size:- Note : 2 run of cable, one run of earth wire and one run of PVC conduit shall be measured and paid as one point

4 Sqmm (2 runs of 4 Sqmm and one run of 4 Sqmm for earth wire )

6 Sqmm (2 runs of 6 Sqmm and one run of 6 Sqmm for earth wire )

Supply and install high wall split AC of capacity 2.0 Ton 5 star rated indoor and outdoor units complete with cordless remote control unit and with in-built air ioniser and plasma filter for better indoor air quality complete all as specified and directed

S&F single pole and neutral enclosure with a two pin and socket complete with one single pole MCB 240 volts, 20 Amps complete all as specified and directed

S&F MCB DB SPN 200 Amps rated bus bar 4 Way with double door shutter complete all as specified and directed

S&F MCB SPN 240 Volts of capacity 40 Amp 16 KA complete all as specified and directed

S&F Wall mounted indoor Voltage Stabilizer automatic operation single phase and designed for input variation between 170 V to 250 Volt with output voltage stabilized at 230 V with accuracy of +2.5% and of capacity 5 KVA complete all as specified and directed