Mumbai Port Trust Tender

Supply and delivery at site of straight through jointing kit, heat shrinkable type complete with all accessories including aluminium ferrules suitable for the cable under item at sr.no.1.01 above as required.

Carrying out straight through jointing work for the cable of size 3.5corex400 sq.mm under item at Sr.No.1.01 above by using heat shrinkable jointing kit under item at Sr.No.1.03 above including excavation of adequate size of trench to carry out the jointing work and keeping extra cable for future use as required.

Supplying and carrying out the work of cable termination and connection of two ends of cable of size 3.5corex400 sq.mm under item at Sr.No.1.01 above at respective places by using suitable single compression type brass cable termination glands and copper lugs as required.

Supplying, delivering at site and laying of RCC pipe,NP2 class,250mm dia.(NB) with necessary RCC jointing collars rings in the suitable trench for laying the cable across the road, railway tracks, etc. at a depth of 900mm/1200mm(approx.) trench from ground level including excavation of trench, closing the ends of the pipes with cement plaster and bricks as required(For crossing the railway tracks, cable shall be run through RCC pipe to be laid at a depth of 1200mm).

Supplying, delivering at site of G.I. pipe,’ B’ class,200mm dia.(NB) with necessary fixing clamps made out of G.I. flat of size 25x5mm complete with fixing the pipe on the existing stone wall/wharf and/or for laying the pipe for running the cable across open culvert and stone compound wall. The pipe shall be laid underground wherever required for laying the cable across the open culvert, etc. at a depth of 900mm from ground level as required. (This item being provisional, will be executed, if required at the time of execution of work).

Constructing rectangular brick masonry inspection chamber of size 1.2m longx0.9m widthx0.9m depth(approx.) with one brick thick masonry and cement plaster/mortar, PCC of 150mm,150mm thick rubble packing including M.S angle frame for placing RCC cover of 75mm thick(approx..) with inlet and outlet opening for laying the cable under item at sr.no.1.01 above including excavation of suitable trench for construction of the chamber as required. (This item being provisional, will be executed, if required at the time of execution of work).

Supply and delivery at site of 1100 Volts Grade, L.T. cable of size 3.5 corex300 sq.mm with stranded H2/H4 grade aluminum conductor, XLPE insulated, colour coded, laid up, with fillers and/or binder tape, extruded PVC inner sheath, one layer of galvanized round steel wire / strip armoured and PVC outer sheath. Both inner and outer sheath shall be of PVC, Type ST-2 compound as per IS: 5831-1984 and cable shall be conforming to IS: 7098 (Part I) - 1988 (amended up to date) and bearing ISI mark in standard drum length with test certificates for type test, routine test and acceptance test as specified.

Laying of 3.5 core x 300 sq.mm, XLPE-A-PVC cable,1100 volts grade, heavy duty cable under item at Sr.No.1.09 above in the cable trench of 900mm(approx.) depth from finished ground level, including excavation of suitable cable trench in any type of soil/asphalt/concrete, cleaning the cable trenches, drawing the cable using rollers, jacks, etc. dressing the cable, back-filling the cable trenches after protecting the cable by providing soft screened earth/sand upto a height of 100mm(approx.) below the cable and 150mm(approx..) above the cable and placing whole red bricks all along the run of the cable and/or through the RCC pipes/built-in-trench/duct and removing all surplus excavated earth from site to the satisfaction of PTC/MbPT site Engineer. The cable shall be laid from the proposed feeder pillar to the existing F.P.No.2A located near Domestic Cruise Terminal building as required.

Supplying and carrying out the work of cable termination and connection of two ends of cable of size 3.5corex300 sq.mm under item at Sr.No.1.09 above at respective feeder pillars by using suitable single compression type cable termination brass glands and crimping type copper lugs as required.

Supply, delivery at site and installation of feeder pillar,8 ways, outdoor type fabricated out of 3mm(approx..) 10 gauge thick sheet steel, 3 phase and neutral, rated at 400amps,415v,50Hz,AC supply having tinned copper bus-bars of size 50x5mm(approx..) for phases and 40x5mm(approx..) for neutral with heat shrinkable insulated sleeves as per colour code, fitted with insulated fuse bases, HRC fuse links, etc. as detailed below complete with 1No.limit switch operated illuminating lamp with holder,1No.control board with 16amps,porcelain fuse cutout,1No.5 pin,6amps,230 volts switch and socket flush type,1No. 40 watts GLS lamp,230volts,appropriate sizes of tinned copper extension pieces for connecting cable ends at back side,1 No. insulated fuse remover, wedge type conventional locking arrangements, c.c. foundation, G.I. foundation bolts and nuts and washers, seven tank process with epoxy painting etc. as per MbPT drawing and specification with no. of ways as detailed below. The bottom M.S. angle frame of the cable compartment of the feeder pillar shall be made out of 50x50x6mm (approx.) M.S. angle and the remaining frame shall be of40x40x6mm (approx.). The overall approx. dimensions of the feeder pillar are as under: i) Length(height) of the feeder pillar including cable compartment but excluding height of the hood=1800mm, ii) Breadth=1885mm&iii) Depth=350mm. 1. 2 Nos. Incoming ways: Each way fitted with 3 Nos.630A,415V insulated fuse bases and 400amps,415volts low watt loss HRC fuse links. 2. 2 Nos. Outgoing ways: Each way fitted with 3 Nos.400A,415V insulated fuse bases and 315amps,415volts low watt loss HRC fuse links. 3. 4 Nos. Outgoing ways: Each way fitted with 3 Nos.250A,415V insulated fuse bases and 200amps,415volts low watt loss HRC fuse links. 4. Godrej Navtal Lock 7 lever 65mm dia with keys in duplicate-1 No.

Providing earthing arrangement for feeder pillar under item at Sr. No.1.12 above by using 1No. galvanized cast iron earth plate of size 600x600x12mm(approx.) and 2Nos. G.I. earthing strips of size 40x6mm(approx..) thick complete with 25kg of charcoal and 25kg salt and watering arrangement using 20mm dia. ‘C’ class G.I. pipe, funnel with wire mesh, water inlet pipe,400x400x400mm(approx.) cement concrete (1:2:4) chamber with 125mm wall thickness with RCC cover of 100mm(approx.) thick. The earthing plate shall be buried vertically at a depth of 2.5metres(approx.) from ground level. The resistance of the earthing station shall be tested with calibrated earth resistance tester and results recorded as required.

Supplying and carrying out the miscellaneous work at existing feeder pillar No.2A as mentioned below: a) Providing and fixing 3 Nos. 400A,415V insulated fuse bases and 315amps,415volts low watt loss HRC fuse links in the existing feeder pillar No.2A located near Domestic Cruise Terminal complete with removing the old fuse base and disconnecting the existing cable and pot-heading the same. b) Disconnecting the neutral core ends of all cables from the neutral bus-bar and replacing the old one with new tinned copper neutral bus-bar of size 40x5mm(approx.) with insulated epoxy bus-bar supports. c)Strengthening the existing cc foundation of the feeder pillar by using cement plaster/mortar, red bricks, etc. and repairing the feeder pillar wedge lock arrangement to ensure proper locking. d)Reconditioning the feeder pillar by thoroughly cleaning the same and giving one coat of epoxy primer and two coats of epoxy paint as required. This work shall be carried out in a time bound manner during shutdown period.

Testing and commissioning the entire installation such as cables, feeder pillar, etc. as mentioned above to the satisfaction of MbPT/PTC Engineers as required.

PART-B REINSTATEMENT OF EXCAVATED PORTION OF CABLE TRENCHES ACROSS THE ROAD

Reinstating the excavated portion of cable trenches across the asphalted/ concreted road about 30m long and 1m wide by carrying out the work of soling and surfacing the excavated ground after removing and clearing the surplus earth all along the cable route. The work comprises of laying the 160mm thick sub-base(rubbles) using stone metal of 40mm to 90mm, providing and laying 150mm thick Water Bound Macadam(WBM) comprising 40 to 63mm size metal and consolidating it to 100mm thick by road roller, providing and laying pre-mixed asphaltic macadam(bitumen grade:60/70) of 100mm thick and rolling with road roller and finally, providing and laying 50mm thick hot pre-mixed asphaltic concrete wearing course(bitumen grade:60/70) and rolling with road roller. The entire work of reinstatement of the excavated portion of cable trenches shall be carried out as per MbPT Civil Engineering Department’s standard specifications for Road Work