REPAIR AND MAINTENANCE TO LIGHTENING CONDUCTORS EARTHINGS FIRE ALARM SYSTEM INCLUDING REPAIRS TO FLAME PROOF LIGHTING AND OTHER CONNECTED ITEMS AT VARIOUS BLDGS OF DGQA ORG AT UNDER GE MH AND RH KHADKI

Amount

Taking down of unserviceable copper/GI/Aluminium earthing strip any size complete all as directed.

S&F in replacement copper strip of size 20mmx3mm thick for earth continuity conductor or main earthing lead fixed to wall on batten or recess or chases or buried in ground or drawn in conduit/pipe or fixed to poles or any other indicated situation for loop earthing/down conductor strip etc, complete all as specified and as directed by Engineer-in-charge. Note: Copper strip shall be 99.99% copper.

S&F GI steel strip of size 32mmx6mm thick for earth continuity conductor or main earthing lead fixed to wall on batten or recess or chases or buried in ground or drawn in conduit/pipe or fixed to poles or any other indicated situation for loop earthing etc complete all as specified and as directed by Engineer-in-charge.

S&F Aluminium strip of size 25mmx3mm thick for earth continuity conductor or main earthing lead fixed to wall on batten or recess or chases or roof for lightening arrestor or buried in ground or drawn in conduit/pipe or fixed to poles or any other indicated situation for loop earthing/down strip from from bldgs etc, using porcelain clit/post insulators with screw/GI drill bit screw with clamp of required size at specified distance, complete all as specified and as directed by Engineer-in-charge. Note for item No 2.00 to 4.00 : The cost of T & P and minor spares reqd for fixing the above conductor is deemed to be included in the unit rate quoted.

S&F Earthing test point terminal block made up of gun metal or phosphorus bronze of size 75mmx75mmx25mm thick drilled and screwed including 3Nos, 8mm dia, 25mm long hexagonal head screws including MS box 2 mm thick of suitable size for protection of test point terminal, including dismantling of old unserviceable test point complete all as specified and directed.

S&F Air termination, single pointed Aluminium rod 12mm dia and 300mm long with complete acessories fixed on aluminuim strip for earth conductivity to ground as in repair complete all as specified and as directed by Engineer-in- charge.

M&L for 40 mm bore Galvanised iron tubing, light grade, IS-1239 marked including ISI marked fittings and laid in trenches/under road/drains, fixed to poles/ walls or fixed to pcc block for fixing air termination rod with suitable size flat iron clamps, bolts, nuts and washers (for fixing Air termination rods) Note :- Clamps, nuts & bolts shall be measured and paid for separately.

M&L for 40mm bore galvanised iron pipe, light grade including all fittings and fixed to wall/poles/floors, laid in trenches including taking down old GI pipe, complete, all as specified and as directed by Engr-in-charge. Note :- Excavation & earthwork shall be measured & paid separately under relevent item.

Disconnecting/Taking down old unserviceable Earthing pit of any type with accessories including removing of demolished material out side MD land complete all as specified and directed.

Material and labour for earthing complete with GI earth plate 600mm x 600mm x 6.3 mm thick electrode buried directly in ground (earth pit not less then 2.25 metres deep below ground level ) with top edge of the plate not less then 1.5 metres below normal ground level connected to GI earth strip 32 x 6 mm by means of bolts, nuts, check nuts and washers of galvanised iron or steel all as shown in electrical plate No. 3 of MES schedule Part-I and incl 40 mm bore light grade GI protection pipe (upto 7.5 metres beyond outer edge of earth pit) PCC M-1+B500 grade (Nominal Mix) using 40mm graded stone aggregate in pit with 40mm thick RCC cover in reinforced cement concrete M-15 grade (Nominal Mix) using 20mm graded stone aggregate, reinforced with 8mm dia bar both way @ 150mm c/c, watering arrangement with funnel and wire mesh and 20 mm bore light grade GI watering pipe, common salt and chaarcoal filling, necessary excavation and earth work complete. Note : Rate of item is deemed to be included for excavation in hard rock, by compressor machine to achieve required depth.

NOTE FOR SL NO 10 : (i) The earthing pit shall be provided with proper earth pit and pit cover. Pit cover shall be painted with cement base paint of approved colour and pit number to be marked on a GI plate above 45 cm from GL as per IS colour code (ii) If the desired earth resistance is not achived during testing as per IS the complete earthing shall be carried out again by the contractor at his own cost and no extra claim shall be admissable. (iii) Length of earth strip/electrode, if more than 7.5mtr shall be measured and paid seperately under respective items of schedule (iv) Resistance value shall be less than 5 ohm. (v) Necessary excavation work in any type of soil/strata, returning filling and removal of soil is included in the aquoted rates. (iv) Site inspection for lightining conductor work is mandotry for the Contractor befour quoting the tender. No explanation/ doubts will be entertained later. (vii) Any damage done to govt property during the execution of work will be make good by the contractor at his own cost. (viii) The work of lightining conductor is to be done in Roofs of the bldgs in Insp org area.

M & L for fixing chequrred plate with cross arms, bracings, supports, clamps and back plates fabricated from structural steel sections including nuts, bolts, washers etc including welding, bending cold or hot, drilling holes for bolts, in any shape or size including painting with two coats of synthetic enamel paint over a coat of red oxide primer complete all as specified and directed.

M&L for PCC M-15 grade (nominal mix) using 20 mm graded stone aggregate as in coping, bed plate kerbs including weathering slightly rounded or chamfered angles and throating etc as directed.

Supply & Fix in replacement of single type fire hydrant landing valve type A (Single headed outlet) of 63mm dia outlet made out from stainless steel complete with female couping with lugs ISI marked all as specified and directed by Engr-in-charge.

Supply & Fix in replacement of single type fire hydrant landing valve type A (Double headed outlet) of 63mm dia outlet made out from stainless steel complete with female couping with lugs ISI marked all as specified and directed by Engr-in-charge.

Supply and Fix in replacement of Branch pipe gun metal 63mm instantaneous inlet, made threaded outlet, 15mm bore nozzle short all as specified and directed

Supply and fix in replacement of 63mm dia 15 mtr long hose confirming to IS 636 complete with male and female coupling confirming to IS 903 all as specified and directed

Supply and Fix in replacement of hose reel of 15/20mm dia and 30 mtrs long confirming to IS 5132 all as specified and directed

Supply and Fix in replacement of Hose box made of 18 gauge MS sheet 800mm x 600mm x 250mm with double door with 4mm thick glasses and door frame made of 16 gauge MS sheet painted fire red outside and brilliant white inside yard complete all as specified and directed.

All as per item No 18 above but internal type all as specified and directed

Supply and Fix in replacement of flanged stand post CI of 80mm dia 1.5m height all as specified and directed including PCC plateform

Taking down copper/aluminium point wiring (light, fan, socket or power) complete, including fixture such as switches, ceiling roses, pendants, regulators, sockets, light fitting etc. removing materials for taking credit and making good disturbed surfaces of walls, floors, etc., with its original specification complete all as specified and directed.

M&L for point wiring flame proof in stove enamelled ERW steel conduit 20 mm dia medium grade on surface with ISI marked two runs of PVC insulated unsheathed multistranded copper conductor cable (FRHR) 1.5 sqmm nominal cross sectional area, 1100 volts grade and including one run of 1.5 sqmm (green colour) ISI marked PVC insulated unsheathed multistranded (FRHR) copper conductor cable as earth wire with all flame proof fittings such as elbow, bends, junction boxes, ceiling rose saddles , flexible metal conduits etc. incl suitable size of sheet metal box 1.6mm thick (ISI Mark), screws and rawal plug etc. and connected to light/fan and common earth dolly with necessary copper thimbels all as specified and directed by the Engr-in-charge for the following :-

One light/fan point controlled by one, one way flame proof switch.

All as per item No 22 here-in-before but for socket out let, 15/16 Amps. independent with 2.5 Sqmm size cable and 2.5 Sqmm for continuity earth wire connected to common earth dolly all as specified and directed by Engr-in-charge.

S&F Fluorescent tube light fitting 1x16W flameproof type FLP-WP made of aluminium alloy LM6, complete with all accessories prewired and including connecting up with twin core twisted flexible copper conductor cable with suitable size. Make : Cat No EXTL140 of Crompton Greaves.

S&F Flame proof ceiling fan FLP-WP made of aluminium alloy LM6, complete with all accessories and including connecting up with twin core twisted flexible copper conductor cable with suitable size complete and old unsv exhaust fan is to be deposited in MES store.

Supply & fixing Flame proof Air circulater fan 24'' pedestal type all as specified and directed and old unsv fan obtained shall be deposited in MES store.

Supply & fixing Flame proof Exhaust fan of size 18'' all as specified an directed and old unsv exhaust fan shall be deposited in MES store.

S&F FLP - WP switch socket and plug combined in LM6 aluminium alloy 16 A 2P + Earth complete all as specified.

S&F FLP - WP switch flame proof rotary ON-OFF type with termination box in LM6 aluminium alloy, 16A, single pole 250V. Make : Sudhir Cat No RI/OA/1010-2A or equivalent make given under list of makes.

S&F FLP - WP fan regulator flame proof in LM6 aluminium alloy. Make : Sudhir Cat No RI/OA/1010 or equivalent make given under list of makes.

S&F flame proof, weather proof 12 way SPN MCB DB 240 V. 50 Hz in LM 6 construction, consisting of 01 No. incoming MCB SPN- 40 Amps (01 Nos), MCB SP – 6 to 32 Amps (10 Nos), 10KA Breaking capacity as outgoing with clip on type terminals with suitable cable entries certified by CMRI Dhanbad. Make :Cat Part No MCDB/186 Shyaam, Sudhir or equivalent make given under list of makes.

S&F in replacement of Flame proof , weather proof 8 way SPN MCB DB 240 volts in LM 6 construction consisting of 01 nos of incomer MCB SPN -40 amps (01) Nos MCB SP -06 -32 Amps 06 nos 10 KA breaking capacity as outgoing all as specified.

S&F in replacement MCB single pole of 6 to 32 Amps 240 V current rating 'C' series, 10 KA having terminals with safety shutters complete all as specified and directed.

S&F in replacement MCB SPN - 40 to 63 Amps complete all as specified and directed.

S&F Wiring for submain wiring alongwith earth wire with FRHR PVC insulated copper conductor, multistranded, on surface of size 2 x 6.0 Sqmm & 1 x 6 Sqmm earth wire in ERW steel conduit all as directed by Engr-in-Charge. Note : Two runs of 6 Sqmm cable, one run of 6 Sqmm earth cable and one run of ERW conduit shall be measured as one unit length.

M & L for MS ERW Pipes of size 80mm including all specials in any lengths & welding, cutting, bending etc complete laid in trenches/on wall all as specified and directed.

Supply & Fix in replacement of Zicom fire alarm panel suitable for 4 zones complete all as specified and directed.

Supply & Fix in replacement of Zicom system sensor smoke detector complete all as specified and directed.

Supply & Fix in replacement of Zicom system sensor manual call point complete all as specified and directed.

Supply & Fix in replacement of Zicom system sensor sounder cum flasher complete all as specified and directed.

Supply & Fix in replacement 12 volt 7 AH battery complete all as specified and directed.

Supply, draw, connecting, testing and commissioning of 2 core 1.5 sq mm stranded copper conductor, PVC insulated PVC sheathed aluminium mylar tape shielded FRLS, flexible armoured cable laid on ceiling/wall clamped with aluminium clamps/ drawn in ERW pipe complete as required and directed. Note : Two runs of 1.5 Sqmm cable, one run of 1.5 Sqmm earth cable and one run of ERW conduit shall be measured as one unit length.

PURVA ELECTRICALS AND ENGINEERS

ONKAR ELECTRIC AND GENERAL STORE