COMPHRENSIVE REPAIR WORKS BR AND EM NATURE LIKE CHAIN LINK FENCING, SS DISPLAY BOARDS OF SUB STATION, LT CABLES SWITCH GEARS AND ALLIED ELECTRICAL WORKS AT ZONE 1 AND 2 AT NAVAL STATION KARANJA

Notes : Please refer schedule 'A' notes before quoting the tender. EM WORKS

Dismantling of existing panel board including disconnecting connected cables, etc. and supplying, installing, testing and commissioning of factory made LT cubical double door panel with roof canopy, Outdoor type, suitable to accomodate the following accessories made out of CRCA sheet 3 mm thick duly powder coated with Seimens Grey Shade RAL 7032, totally enclosed, dust and vermin proof outer cubicle; Inner cubicle should be made out of 2 mm thick CRCA sheet with working voltage of 415V, 50 Hz, 3 phase, 4 wire, fully compartmentalised with single door system for each compartment; Outer cubicle having both sides door openable and should be provided with suitable louvers for ventilation; Bus bars provided shall be adequately supported on insulators to withstand dynamic stresses due to short circuit current and shall be suitably colour coded with heat shrinkable sleeve for phase indication; standard phase arrangement when facing the switchgear shall be R-Y-B from left to right; the bus bar connections and their insulated supports shall be mechanically strong, and shall withstand all the stresses which shall be imposed upon them in ordinary working due to fixing, vibration, fluctuation in temp., shot-circuit or other causes; the bus bar should be supported on DMC; provision shall be made for expansion and contraction of the bus bars and connections with variation of temp; Internal wiring should be done with 2.5 sqmm multi-stranded copper conductors and shall be properly bunched, tied, ferruled for proper identification, crimped and shall be connected with suitable lugs and PVC sleeves, etc; bottom of the panel should contain detachable plate having provision for entry of armoured cable of adequate size with glands; Threaded earthing studs - 02 Nos shall be provided at the bottom and lifting lugs of suitable size at top to lift the panel safely shall be made; The cubicle incomer MCCB as well as outgoings shall have copper TPN/TP extension links of current rating not less than 1.5 times the rated capacity of individual feeders with Ics = 100% Icu in all MCCBs with extended Rotary Handle; The cubicle should be inclusive of following complete all as specified and as directed :-

(A) INCOMING - (i) ACB, 4 Pole, 415 V, 50 Hz, breaking capacity 50 KA Ics=100% of Icu, Manual Drawout type with microprocessor release of capacity 1000 Amps - 01 No. (B) OUTGOING- (i) ACB, 4 Pole, 415 V, 50 Hz, breaking capacity 50 KA Ics=100% of Icu, Manual Drawout type with microprocessor release of capacity 800 Amps - 01 No. (ii) MCCB, thermal & magnetic type, 4 pole, 415 volt, 36 kA breaking cap. adjustable thermal release range 630 Amps – 01 No. (iii) MCCB, thermal & magnetic type, 4 pole, 415 volt, 36 kA breaking cap. adjustable thermal release range 400 Amps – 01 No. (iv) MCCB, thermal & magnetic type, 4 pole, 415 volt, 35 kA breaking cap. adjustable thermal release range 250 Amps – 03 No. (v) MCCB, thermal & magnetic type, 4 pole, 415 volt, 35 kA breaking cap. adjustable thermal release range 125 Amps – 03 No. (vi) Multi function meter having LCD Display, 96 x 96 sq.mm -01 No (vii) Current transformer of suitable ratio, Accuracy - 5VA, Class - 1. - 01 No. (viii) LED INDICATORS RIBBED LENS WITH TRIMMED COLLAR - Red, Yellow and Blue - 1 Each (ix) Aluminium bus bar of Rating 700 Amp R-Y-B phases and Neutral. (x) Base frame for cubical mounting made out of 40x40x6mm equal angle iron duly painted. (xi) Foundation for the panel should provided with PCC 1:4:6 at a depth of 150 mm below G.L. and 100 mm above the G.L. with slot openings for I/C and O/G cables.

S&F in repairs MCCBs of following current carrying capacity complete all as specified and as directed:-

4 Pole MCCB 500 Amps, Adjustable type,415V, with breaking capacity 36KA rating

4 Pole MCCB 400 Amps, Adjustable type,415V, with breaking capacity 36KA rating

4 Pole MCCB 350 Amps, Adjustable type,415V, with breaking capacity 36KA rating

4 Pole MCCB 250 Amps, Adjustable type,415V, with breaking capacity 36KA rating

4 Pole MCCB 200 Amps, Adjustable type,415V, with breaking capacity 36KA rating

4 Pole MCCB 100-160 Amps, Adjustable type,415V, with breaking capacity 36KA rating

S&F in repairs Isolator 415 Volts of following current carrying capacity complete all as specified and as directed:-

4 Pole 63 Amps

4 Pole 100 Amps

Excavation in trenches n.exc 1.5mtr wide and not exc 1.5mtr depth and getting out in any type of soil complete all as specified and as directed.

Returning and filling in of excavated soil including spreading,levelling, watering and well ramming in layers not exceeding 25 cm each complete all as specified and as directed.

Removal of surplus soil not exceeding 50 mtr and depositing where directed at a level not exceeding 1.5 mtr above the starting point complete all as specified and as directed.

M&L for Sand cushioning/sand covering for underground cable protection complete all as specified and as directed. Note: Punned thickness shall be measured for payment purpose.

Supplying & laying un-reinforced precast concret cable cover class LV type 1, flat size 250mm x 150mm x 40 mm complete all as specified and as directed.

M&L for GI pipe light grade 50 mm dia for cable protection on road crossings /plinth protection/ lamps post etc fixed to pole, wall, etc. with suitable fittings/clamps for cable protection complete all as specified and as directed.

M&L for GI pipe light grade 80 mm dia for cable protection on road crossings /plinth protection/ lamps post etc fixed to pole, wall, etc. with suitable fittings/clamps for cable protection complete all as specified and as directed.

Cutting the tarmac / hard standings and excavating in trenches across the road for laying cable complete all as specified and as directed.

M&L for PCC type C2, 1:3:6 using 40 mm gradded stone aggregate as in foundations filling & mass concrete complete all as specified &directed.

Supplying & Laying in trenches or fixing on wall or passing through pipe or in cable ducts, 1100 volts grade, 3.5/4 core, XLPE, armoured, electric power cables (heavy duty) with aluminium conductor including taking down old cable, any type & size for the following sizes/core:-

25 Sqmm, 4 core

35 Sqmm, 3.5 core

50 Sqmm, 3.5 core

70 Sqmm, 3.5 core

95 Sqmm, 3.5 core

120 Sqmm, 3.5 core

150 Sqmm, 3.5 core

185 Sqmm, 3.5 core

240 Sqmm, 3.5 core

300 Sqmm, 3.5 core

400 Sqmm, 3.5 core

M&L for detecting LT UG cable faults located in any stretch/ depth with sophisticated cable fault locator consisting of microprocessor based pre-locator system, HV surge generator, fault pin point surge wave reciever, cable indentification instrument, cable tracer for exact location of under ground cable routes complete all as specified and as directed. Note: (i) The rate quoted deemed to be inclusive of transportation of equipment and charges for service engineer . (ii) The fault locator will be arranged by Contractor Only

M&L for heat shrinkable straight through joint for LT UG cable including jointing kits complete for making joints suitable for aluminium conductor cable of size 3.5/ 4 core 25 to 50 sqmm complete all as specified and as directed.

All as per BOQ Serial Item No 1.35 above but for cable of size 3.5 core 95 to 120 sq.mm.

All as per BOQ Serial Item No 1.35 above but for cable of size 3.5 core 150 to 185 sq.mm.

All as per BOQ Serial Item No 1.35 above but for cable of size 3.5 core 240 to 300 sq.mm.

All as per BOQ Serial Item No 1.35 above but for cable of size 3.5 core 400 sq.mm.

M&L for heat shrinkable End Termination Kit (with colour limbs of Red, Yelllow, Blue & Black) for LT UG cable suitable for aluminium conductor cable of size 3.5/ 4 core 50 to 95 sq.mm complete all as specified and as directed.

All as per BOQ Serial Item No 1.40 above but for cable of size 3.5 core 120 to 185 sq.mm.

All as per BOQ Serial Item No 1.40 above but for cable of size 3.5 core 240 to 300 sq.mm.

All as per BOQ Serial Item No 1.40 above but for cable of size 3.5 core 400 sq.mm.

M&L for earthing complete with GI earth plate electrode of size 60cm x 60cm x 6 mm thick burried directly in ground (earth pit not less than 2.25 m deep below ground level) with top edge of the plate not less than 1.5m below the normal ground level connected with GI strip 32 x 6mm by means of bolts, nuts, check nuts & washers of galvanished iron steel including necessary excavation and earth work in any type of soil, removing surplus soil to a distance not exc 50m, with and including PCC chamber in PCC (1:2:4), type B1, using (20mm graded stone aggregates), "mild steel angle iron frame" made out of MS angle iron of size 40x 40 x 6 mm thick duly painted with two coats of synthetic enamel paint over one coat of red oxide zinc chrome primer hinged with and including 6mm thick CI cover with handle, watering arrangement with funnel internally secured with wire mesh with 20mm dia medium grade pipe for watering 40mm dia light grade, GI pipe for lead protection in & including alternate layers of charcoal dust and common salt complete all as shown in electrical "plate No '3' and connected to earthing test point all as specified and indicated including testing on completion including retrieving old GI earth plate, CI cover, GI pipes, angle iron frame from existing earthing complete all as specified and as directed.

M&L for maintenance and attending complaints / breakdowns at Naval Station Karanja area comprising of LT panels, over head lines/ underground LT cables upto main distribution boards at buildings including repairs of day to day maintenance of LT panels by providing necessary hinges, nuts & bolts, welding and painting at site to LT Panels where necessary for smooth & trouble free LT power supply including rectification of minor defects to electrical controls gear/accessories complete all as specified and directed.

S&F in repairs LED indicating lamp of 230 volts AC to show R, Y & B phase with RED, YELLOW and BLUE in colour complete all as specified and as directed.

S&F in repairs current transformer of CT ratio 100/5A to different capacity LT Panels complete all as specified and as directed.

S&F in repairs digital multifunctional meter having LCD displays showing single and three phase current and voltages for different capacity of LT Panels complete all as specified and as directed.

M&L for maintenance of LT panels by providing necessary hinges, nuts & bolts, welding and painting at site to electric control panel/LT Panel/Feeder Piller box /Bus bar panel any type and any size of E/M installations by cleaning the existing old paint with the help of mechanical tools such as wire brush, scraper and sand paper from the surface of panel and painting the prepared surface with two coat of synthatic enamel paint of approved shade over a coat of red oxide primer complete all as specified and as directed.

M&L Danger notice plate of 1.6mm thick mild steel sheet, vitreous enamelled white, with letters, figures and conventional skull and bones in signal red colour and fixed with M.S. clamps, bolts and nuts of approved size, for LT, 20x15cm size complete all as specified and as directed.

B/R WORKS

Disamntling RCC post or struts any section, including taking out embedded portion and making good disturbed ground post embedded concrete including cleaning and cutting of grass, shurbs, bushes etc. complete all as specified and as directed.

Dismantling fencing wire mesh, any type complete all as specified and as directed.

S&F Galvanised PVC chain link fencing 80x80mm with PVC coated mesh made out of 3mm dia MS wire and 1mm thick PVC coating through out and fixed to post complete all as specified and as directed.

S&F Round bars 5 mm dia and over upto and including 10mm dia as in stirupps spacers and binders, cut to length bent to shape required, including cranking, bending spirally for hooping for columns, hooking end and binding with and including MS wire annealed not less than 0.9 mm dia confirming Fe-410-W (Gde-E-250) quality-A or Fe 290 (Gde-E-165) complete all as specified and as directed.

S&F Mild steel screw bolts 11 to 15 mm diameter of shank screw bolts (machine made) with hexagonal screw heads at one end & screwed the other or screwed both ends, each screwed endsto be fitted with washers & one hexagonal or square nuts, length of bolt exc 5cm but n exc 10 cm long complete all as specified and directed.

S&F Framed brackets of angles or tees with web and flanges cut to shape, drilled and countersunk for screw, including bending and welding angles, as necessary, gusset plates, riveting, etc.. n exc 10 kg each brackets, conforming to Fe.290.Gde-E-165; flat iron fillets (for securing wire mesh etc.) including all necessary drilling, bolting or riveting, etc., and similar work complete all as specified and directed.

M&L PCC 1:3:6 type C2 (using 40mm graded stone aggregates) as in foundation filling and mass concrete complete all as specified and as directed.

S&F Retro Reflective sticker with letter or figure on 4mm thick Aluminium Composite panel sheet (Block, Roman, Italic or Indian) not exc. 30 cm in silver/white with blue colour back ground and with high intensity grade, pasted or substrate by pressure sensitive adhesive backing and fixing the existing plate of structural frame work by means of suitable sized aluminium alloys, rivets or bolts & nuts @ 300 mm centre to centre all along the periphery as well as in two vertical rows along with theft resistant measures, complete all as specified and as directed.

M&L for stainless steel hollow sections or steel plate of any thickness incl cutting to shape/size required and connecting together by means of welding/rivetting and embedding in concrete complete all as specified and as directed. NOTE: PCC shall be measured & paid separately.

Demolition of Cement Concrete (unreinforced) concrete in ground floors and pavings n exc 15 cm Thickness (below or above ground level) complete all as specified and as directed.

M&L for 100 mm thick PCC 1:2:4 Type B-2 (using 40 mm graded stone aggregates) as in hard standing and similar works etc finished cement concrete surface even and smooth without using extra cement complete all as specified and as directed.

Preparation of new steel surfaces of any discription over 10cm width or girth not otherwise described and M&L for applying two coats of synthic enamel paint over & including one coat of red oxide primer complete all as specified and as directed.

Preparation of old steel surfaces of any discription over 10cm width or girth not otherwise described and M&L for apply one coat of synthic enamel paint complete all as specified and as directed.