SPECIAL REPAIRS/REPLACEMENT OF OLD UNSV MCB/MCCB/DBs, CONNECTED ITEMS OF JCO/OR MD ACCN OF GANAPATI AND PARAMESHWARAN ENCLAVE AND PROVISION OF THREE PHASE ELECTRIC CONNECTION FOR NEW MT PARK NEAR BLDG No. P-35 (MINOR WORK) UNDER GE (ARMY) TRIVANDRUM

Amount

Taking down old unserviceable MCCB DB TPN 4 way complete all as specified and dircted

Taking down old unserviceable MCB DB SPN 8 way complete all as specified and dircted

Taking down old unserviceable aluminium sub main wiring including conduit and fittings complete all as specified and dircted

Material & Labour for sub-main wiring with 2 runs of 6 sqmm single core PVC insulated, FRLS, unsheathed cable with stranded copper conductor, 1100 Volts grade drawn through and including non mettalic PVC conduit with all fitting such as Tees, Bends, Elbows, etc., fixed surface on wall/ ceiling including 6 Sqmm multistranded PVC insulated, FRLS, copper conductor cable as earth continuity conductor and connecting to common earth dolly complete all as specified and directed. NOTE: Two runs of 6.0 sqmm copper cables and one run of 6.0 sq mm copper cable along with non mettalic PVC conduit with accessories will be measured as one unit length.

S&F distribution board made out of sheet metal enclosure (CRCA sheet powder coated), dust and vermin proof, double door vertical type, for enclosing/ fixing MCCB, TPN 4 way, 415 volts grade with 125 Amps insulated rated bus bar din rail neutral link suitable for MCCB as incomer and providing bottle type copper lugs of different sizes for connection complete all as specified and directed.

S&F distribution board made out of sheet metal enclosure (CRCA sheet powder coated), dust and vermin proof, double door, for enclosing/ fixing MCB, SPN, 8 way, 230 volts and providing bottle type copper lugs of different sizes for connection complete all as specified and directed.

S&F MCCB, 4 pole, 100 Amp, 415 volts, 50 Hz, having thermal setting range 70% to 100% and adjustable magnetic setting and breaking capacity 16 KA complete all as specified and directed.

S&F MCCB, four pole, 63 Amp, 415 volts, 50 Hz, having thermal setting range 70% to 100% and adjustable magnetic setting and breaking capacity 16 KA complete all as specified and directed.

S&F MCB single pole 5 to 32 Amps, 240 Volts, 50 Hz, 10 kA, C curve with IP-20 protected terminals including contact indication window for visual indication and safety of operator, IP-20 protection, energy limitation class-3, airflow channels on both sides, bi-connect terminals etc. complete all as specified and directed.

S&F MCB, SP, 40 Amps (B Series) current carrying capacity, 240 volts rating 10 KA complete all as specified and directed.

S&F MCB, SPN, 32 Amps current carrying capacity, 240 volts rating 10 KA complete all as specified and directed.

M&L for Earthing complete with galvanised steel earth plate electrode 60 cm x 60 cm x 6.3mm thick buried directly in ground vertically to a depth not less than 2.25 metre below ground level with top edge of earth plate at a depth of not less than 1.5 metre below normal ground level, connected to galvanised earth lead of GI wire of size 4mm dia by means of GI Bolts, Nuts, check nuts and washers of the earth and thimbles and other end of the earth wire connected to earthing test point and protected by galvanised iron pipe light grade 15mm bore from earth plate to Panel/DBs and water pipe 20mm bore GI medium grade raised up to a level of 50cm above ground level with plug at top, earthing pit in PCC (1:3:6) type C-1 RCC pre-cast (1:2:4 type B-1) cover slab of 50 mm thick using 8.00mm dia CTD bars reinforcement both ways at 140 mm centre to centre with handle, 20 mm bore GI pipe medium grade for watering pipe, wire mesh, funnel and providing charcoal or coke and salt in alternative layers of 15 cm including necessary earth work, returning, refilling and removing of surplus soil to a distance not exceeding 50 mtr testing complete all as shown in electrical plate No-3 of MES Schedule Part-I of SSR-2009, including taking out existing unserviceable earthing complete all as specified and directed.

M&L for fabricate, supply, installing and commissioning cubical pattern LT feeder pillar box of size 750 x 600 x 450 mm, outdoor type, medium channel 50 mm pedestal mounted totally enclosed factory made and tested, dust and weather/ vermin proof (protection class IP-65) double door front opening with locking arrangement made of frame MS angle iron frame work of size not less than 50 x 50 x 6 mm (bottom base channel) and CRCA sheet of 3.15 mm thickness duly painted with two coats of synthetic enamel paint of approved colour over a coat of red oxide primer outside & inside complete, suitable for 415 Volts, 50 Hz, 3 Phase, 4 wire system and providing cable glands at cable entry into panel, making all electrical connection of incoming and outgoing complete with the accessories mentioned in item No. 3 to 6 here-in-after and mounting panel board on ground with PCC (1:3:6) bedding up to a height of 45 cm above ground level complete all as directed suitable for housing MCB DB 4 way and three Nos power sockets duly fitted the MCB DB, power sockets and MCB as mentioned in item No. 32.00 to 35.00 in the panel housing and connecting the incoming cable to the 4 way DB the roof of the panel shall be slanting complete all as specified and directed.

M&L for Earthing complete with galvanised steel earth plate electrode 60 cm x 60 cm x 6.3mm thick buried directly in ground vertically to a depth not less than 2.25 metre below ground level with top edge of earth plate at a depth of not less than 1.5 metre below normal ground level, connected to galvanised earth lead of GI strip of size 25 x 4 mm by means of GI Bolts, Nuts, check nuts and washers of the earth and thimbles and other end of the earth strip connected to earthing test point and protected by galvanised iron pipe light grade 32 mm dia from earth plate to Panel/DBs and water pipe 15 mm dia GI medium grade raised up to a level of 50cm above ground level with plug at top, earthing pit in PCC (1:3:6) type C-1 RCC pre-cast (1:2:4 type B-1) cover slab of 50 mm thick using 8.00mm dia CTD bars reinforcement both ways at 140 mm centre to centre with handle, 15 mm dia GI pipe medium grade for watering pipe, wire mesh, funnel and providing charcoal or coke and salt in alternative layers of 15 cm including necessary earth work in hard/ dense soil, returning, refilling and removing of surplus soil to a distance not exceeding 50 mtr testing complete all as shown in electrical plate No-3 of MES Schedule Part-I of SSR-2009 complete all as specified and directed.

S&F distribution board made out of sheet metal enclosure (CRCA sheet) dust and vermin proof, double door type, TPN 4 way, 415 Volts grade with 200 Amps insulated rated bus bar with nickel plated brass, isolated neutral bar and door earthing, earth bar IP- 43 protection with poly urethane (PU) gasketing, IK-08 Mechanical impact resistance, door earthing flush to wall, including testing, suitable for fixing MCB SPN, SP complete all as specified and directed. Note: The MCBs will be measured and paid separately.

S&F MCB four pole 63 Amps, 240 Volts, 50 Hz, 10 kA, C curve with IP-20 protected terminals including contact indication window for visual indication and safety of operator, IP-20 protection, energy limitation class-3, airflow channels on both sides, bi-connect terminals etc. complete all as specified and directed.

S&F switch socket combination 5A/16A, 5 in 1, flush type, universal, 240 Volts, white or ivory, ISI marked complete all as specified and directed.

M&L for XLPE insulated, armoured heavy duty electric cable (LT UG cable) with aluminium conductor, conforming to IS-7098 Part-1 (1998), 1100 Volts grade, cross-sectional area 16 sq.mm 4 core, complete all as specified and directed.

M&L for XLPE insulated, armoured heavy duty electric cable (LT UG cable) with aluminium conductor, conforming to IS-7098 Part-1 (1998), 1100 Volts grade, cross-sectional area 10 sq.mm 2 core, complete all as specified and directed.

S&F 40 mm bore dia GI steel tubes with all fittings, 'light grade', for protection of cable on poles, walls, under road crossing etc, complete all as directed.

Excavating in trenches in hard/ dense soil, not exceeding 1.5 mtr wide and not exceeding 1.5 mtr in depth; for foundation, etc. or for shafts, wells, cesspits, manholes, pier holes, etc. not exceeding 10 sq.m on plan and not exceeding 1.5 mtr in depth and getting out complete all as specified and directed.

Excavating in trenches in hard/ dense soil, not exceeding 1.5 mtr wide and exceeding 1.5 mtr but not exceeding 3.00 mtr in depth; for foundation, etc. or for shafts, wells, cesspits, manholes, pier holes, etc. not exceeding 10 sq.m on plan and getting out complete all as specified and directed.

Returning filling in, including spreading, levelling, watering and well ramming in layers not exceeding 25cm using soil obtained from excavation after the cables, pipes/ fittings are laid/ fixed jointed and tested complete all as specified and directed. NOTE: Riddled earth up to 20cm depth around cable for protection to be filled including spreading, levelling etc & punned down.

Removing excavated soil material from site to a distance not exceeding 50 mtr away and depositing where directed at a level not exceeding 1.5 mtr from the starting point complete all as specified and directed.

Supply and laying common burnt clay building bricks, sub-class ‘B’ designation 75 for cable protection over the cables complete all as specified and as directed.

S&F 6 sq.mm aluminium conductor weather proof flat twin core cable with PVC conduit of size 25 mm from junction box to security light complete all as specified and directed.

S&F 150 Watts LED street light fitting made up of pressure die-cast aluminium housing with toughened glass and high power LEDs and secondary lenses with IP66 protection, 10 KV SPD included, system efficacy 110 lumens/ watt complete all as specified and directed. Make: CG cat part No. LSTP-120-CDL-M or equivalent make in Jaquar / Philips / Wipro / Osram / GE / Havells / Bajaj

S&F SMC terminal box of size 230 x 170 x 105 mm (internal dimensions) made of impact resistance plastic and heat resistant materials including supplying and fixing MCB SP 6A with DIN bar and 4 way terminal block, and fixing the box to street light pole with 25 x 3 mm flat iron clamps, nuts and bolts complete all as specified and directed.

S&F GI bracket of size 40 mm dia and 1.50 mtr long, medium grade, bend to shape for street light fitting including MS flat iron 30 x 6 mm clamp with suitable two coats of aluminium paint over one coat of primer including preparation of surface complete all as specified and directed.

M&L for prestressed concrete electric pole, 9.0 metres long, 102mm x 172mm at top and 102mm x 279mm at bottom, class 10 complete all as specified and directed.

M&L for plain cement concrete PCC 1:4:8, type D2 using 40mm graded broken stone aggregate as in foundations, filling mass concrete complete all as specified and directed.

M&L for cement concrete mix 1:2:4, Type B1, using 20 mm graded stone aggregate as in lintels up to 1.5m clear span, cills, steps; seismic and other similar bands, plinth courses, string courses, lacing courses, parapets and railings up to 60 cm in height, copings, kneelers, apex stones, bed plates, kerbs, water troughs and the like including weathering, slightly rounded or chamfered angles and throating, including necessary form work complete all as specified and directed.

S&F analog time switch, 1P module (1 No.), 24 hours program, programmable every 15 min., backup of 100 hours, current capacity 16 Amp, with 1 changeover complete all as specified and directed. Make: INDOASIAN cat No. TA916422 or equivalent make in ABB / Havells / L&T / C&S

ROTECH ENGINEERS AND BUILDERS

SUJAN

T C KARUNANITHI

SHILPA ENGINEERS AND CONTRACTORS

A.GOVINDARAJ

KEERTHI CONSTRUCTIONS

Vinayaga constructions