Military Engineer Services Tender

M&L for repair of transformer step down 11 KV/0.433 KV indoor/outdoor type of capacity 50 to 150 KVA, after dismantling the transformer carefully, opening the top cover of transformer for inspection/repair, draining out the transformer oil from the housing complete, taking out the core and winding by disconnecting the internal connections, removing the carbon/sludge deposit in transformer housing core, renewal/replacement of unserviceable rubber bushes and washers, replacement of tap changer winding and thimbles, replacement of silica gel, replacement of top cover gasket set including pasting with pasting material, replacement of worn out nut and bolts, replacement of unserviceable LT & HT bushes, cutting the burnt out winding and re-winding the same with suitable size of super enamelled aluminium/copper wire as per existing gauge, insulating the winding connection by using fire proof sleeve and fire proof tape, varnishing the coil, keeping the coils in electric oven chamber for 24 hours to remove the moisture, replacement of conservator tank glass, re-installing the core and winding inside properly, making all connection with suitable copper lugs, refilling of new transformer oil, re-installing the top cover after cleaning, Megger of LT and HT side of the Transformer and testing complete all as specified and as directed.

All as per serial item No. 4.00 here-in-before but transformer of capacity 160 KVA to 250 KVA.

All as per serial item No. 4.00 here-in-before but transformer of capacity 315 KVA to 500 KVA.

Notes for serial item No. 4.00 to 6.00 :- (i) Labour component required for the replacement of unserviceable parts shall deemed to be included in the unit rate quoted against this item. (ii) Winding wires for making of coils, LT/HT bushes, temperature gauge, breather assembly, tap changer, transformer oil shall be measured and paid for separately as ‘Supply only’ under relevant items of this Schedule. (iii) All minor parts such as nuts, bolts, washers, insulating material, copper wire for delta connection, etc. shall be arranged by the contractor and the cost thereof shall be deemed to be included in the unit rate quoted against this item. (iv) Testing of transformer shall be arranged by the contractor for Type Test & Routine Test which shall be carried out in the presence of Engineer-in-Charge and contractor shall submit test certificates to this effect before processing the RAR for payment.

Supply only the following spares/items for repair/replacement to transformers under serial item No. 4.00 to 6.00 here-in-before :-

Super enameled aluminium conductor wire of suitable gauge and size as per requirement for rewinding LV Leg coil of distribution transformer complete all as directed.

Super enameled aluminium conductor wire of suitable gauge and size as per requirement for rewinding HV Leg coil of distribution transformer complete all as directed.

Super enameled copper conductor wire of suitable gauge and size as per requirement for rewinding LV Leg coil of distribution transformer complete all as directed.

Super enameled copper conductor wire of suitable gauge and size as per requirement for rewinding HV Leg coil of distribution transformer complete all as directed.

HT bushing assembly with brass metal bush rod & nuts including insulation washer for transformer of capacity upto 500 KVA complete all as specified and as directed.

LT bushing assembly with brass metal bush rod & nuts including insulation washer for transformer of capacity upto 150 KVA complete all as specified and as directed.

LT bushing assembly with brass metal bush rod & nuts including insulation washer for transformer of capacity 160 KVA to 250 KVA complete all as specified and as directed.

LT bushing assembly with brass metal bush rod & nuts including insulation washer for transformer of capacity 315 KVA to 500 KVA complete all as specified and as directed.

Temperature gauge of 0 degree Celsius to 100 degree Celsius complete all as specified and as directed.

Breather assembly including silica gel for transformer of capacity 75 KVA to 500 KVA complete all as specified and as directed.

Silica Gel blue in crystal complete all as specified and as directed.

Tap changing assembly with gear for transformer of capacity upto 200 KVA complete all as specified and as directed.

Tap changing assembly complete with gear for transformer of capacity 250 KVA & upto 500 KVA complete all as specified and as directed.

M&L for preparation of external surfaces of distribution transformer of capacity upto 150 KVA including cleaning and removing oil spots from the body and painting with one coat of synthetic enamel paint (first quality) of approved tint with gun sprayer including marking of SM/MES No etc. on transformer with synthetic enamel paint (white) complete all as specified and as directed.

M&L for preparation of external surfaces of distribution transformer of capacity 160 KVA to 250 KVA including cleaning and removing oil spots from the body and painting with one coat of synthetic enamel paint (first quality) of approved tint with gun sprayer including marking of SM/MES No etc. on transformer with synthetic enamel paint (white) complete all as specified and as directed.

M&L for preparation of external surfaces of distribution transformer of capacity 315 KVA to 500 KVA including cleaning and removing oil spots from the body and painting with one coat of synthetic enamel paint (first quality) of approved tint with gun sprayer including marking of SM/MES No etc. on transformer with synthetic enamel paint (white) complete all as specified and as directed.

M&L for disconnecting 33/11 KV power transformer of capacity 3.15 MVA by removing overhead conductor/underground cables and earth strips etc, installation of transformer after repairs, making all connections, testing and re-commissioning to full satisfaction of Engineer-in-Charge. Taking down transformer from 33 KV MRS using suitable capacity crane or by any other method irrespective of type of approach available, loading in vehicle, transportation to workshop for repairs and unloading carefully. Reloading the transformer after repairs, transportation to site and unloading including placing at given position complete all as specified and as directed. Note : All the T&P required for disconnection, re-connection, loading and unloading including necessary petty items like bolts, nuts etc shall be arranged by contractor and rates for the same shall deemed to be included in rate quoted.

M&L for minor repair of 33/11 KV power transformer of capacity 3.15 MVA, opening the top cover of transformer for inspection/repair, draining out the transformer oil from the housing complete, taking out the core and winding by disconnecting the internal connections, removing the carbon/sludge deposit in transformer housing core, renewal/replacement of unserviceable rubber bushes and washers, repair/replacement of WTI, OTI, Buchholz relay and tap changer including (where required), replacement of top cover gasket set including pasting with pasting material, replacement of worn out nut and bolts, replacement of unserviceable LT & HT bushes, re-installing the core and winding inside properly, making the all connection with suitable copper lugs, refilling of dehydrated/new transformer oil, re-installing the top cover after cleaning, Megger of HV and LV side of the Transformer and testing complete all as specified and as directed. Notes : (i) HT/LT bushes, WTI, OTI, breather assembly & transformer oil shall be measured and paid for separately as ‘Supply only’ under respective item of this Schedule. (ii) Minor parts shall be arranged by the contractor and the cost thereof shall be deemed to be included in rate quoted. (iii) Testing of transformer for Type Test & Routine Test shall be carried out in the presence of representative of Accepting Officer and contractor shall submit test certificates to this effect before processing the RAR for payment.

Supply only the following spares/items for repair/replacement to transformer under serial item No. 12.00 here-in-before :-

Oil Temperature Indicator (OTI) 0-150 degree Celsius suitable for power/distribution transformer complete all as specified and as directed.

Winding Temperature Indicator (WTI) 0-150 degree Celsius suitable for power/distribution transformer complete all as specified and as directed.

HT bushing assembly with brass metal bush rod & nuts including insulation washer for 33/11 KV power transformer of capacity 3.15 MVA complete all as specified and as directed.

M&L for filtration / dehydration of old/existing transformer oil including topping up of transformer oil as required in the transformers of different capacity, installed at various locations with suitable capacity of filtration machine to achieve dielectric strength minimum 60 KV complete all as specified and as directed. Notes: (i) All necessary T&P / testing equipment shall be provided by the contractor at his own cost. No extra payment shall be made to the contractor. (ii) New Transformer Oil required for topping up shall be paid for separately under relevant item of this Schedule as ‘Supply only’.

Supply and filling Transformer oil meeting IS:335 (1993) test requirements for corrosive sulpher of BDV not less than 60 KV for topping up of reduced level of distribution/power transformer due to evaporation/ leakage/ losses due to dehydration in HT 33 KV transformer / Distribution transformer 50 KVA to 500 KVA or for replacement including removing of old unserviceable transformer oil complete all as specified and as directed. Note : Transformer oil shall be supplied in sealed barrels with test certificate. Cost of barrel shall be deemed to be included in the unit rate quoted by the contractor and empty barrel will be the property of the Department and same shall be deposited to the AGE E/M Store Yard. Nothing extra shall be paid on this account.

Material and labour for brick masonry platform with RCC slab (for transformer) with dimensions 4.00m x 4.00m at top, 75cm height above GL and 70cm deep foundation and shall be constructed as per following details, complete all as specified and as directed with & including demolition of existing brick masonry platform :- (a) Below Ground Level (GL) :- (i) Excavation and earthwork shall be in any type of soil and surplus excavated material shall be removed up to a distance exc 200m but not exc 250m. The total depth of foundation shall be 70cm below GL. (ii) Concrete bed for brick work wall in foundation shall be of uniform thickness of 10cm and 80cm breadth with PCC (1:4:8) type D2 using 40mm graded crushed stone aggregate. (iii) Brick work wall footing 1st course i.e bottom course all around shall be 30cm deep & 69cm breadth built in cement mortar (1:4) using old size fly ash bricks. (iv) Brick work wall footing 2nd course all around shall be 30cm deep & 57.5cm breadth built in cement mortar (1:4) using old size fly ash bricks. (b) Above Ground Level :- (i) Brick work wall above GL all around shall be of 50cm height & 46cm thickness built in cement mortar (1:4) using old size fly ash bricks. (ii) 100mm thick PCC (1:2:4) type B1 using 20mm graded crushed stone aggregate shall be provided on top of wall in full width. (iii) 150mm thick RCC slab on top with cement concrete (1:2:4) type B1 using 20mm graded crushed stone aggregate with reinforcement of 12mm dia TMT bars @ 100mm C/C both ways shall be provided using proper formwork. (iv) External surfaces of brick work & concrete above plinth protection shall be plastered with 15mm thick plaster in cement and sand mortar (1:4) finished fair & even. Plaster on top of RCC slab shall not be provided. (v) Three coats of white wash shall be provided on all plastered surfaces. (vi) 75mm thick PCC 1:3:6 type C1 using 20 mm graded crushed stone aggregate as in plinth protection of 75cm width with surface finished even and smooth without using extra cement shall be provided all around the platform walls. (vii) Hollow portion of platform above GL & below RCC slab shall be filled with 40mm to 63mm crushed stone aggregate & compacted by using local dry tibba sand for filling of voids in aggregate.

Material and labour for brick masonry platform with RCC slab (for transformer) with dimensions 2.00m x 2.00m at top, 100cm height above GL and 70cm deep foundation and shall be constructed as per following details, complete all as specified and as directed with & including demolition of existing brick masonry platform :- (a) Below Ground Level (GL) :- (i) Excavation and earthwork shall be in any type of soil and surplus excavated material shall be removed up to a distance exc 200m but not exc 250m. The total depth of foundation shall be 70cm below GL. (ii) Concrete bed for brick work wall in foundation shall be of uniform thickness of 10cm and 80cm breadth with PCC (1:4:8) type D2 using 40mm graded crushed stone aggregate. (iii) Brick work wall footing 1st course i.e bottom course all around shall be 30cm deep & 69cm breadth built in cement mortar (1:4) using old size fly ash bricks. (iv) Brick work wall footing 2nd course all around shall be 30cm deep & 57.5cm breadth built in cement mortar (1:4) using old size fly ash bricks. (b) Above Ground Level :- (i) Brick work wall above GL all around shall be of 75cm height & 46cm thickness built in cement mortar (1:4) using old size fly ash bricks. (ii) 100mm thick PCC (1:2:4) type B1 using 20mm graded crushed stone aggregate shall be provided on top of wall in full width. (iii) 150mm thick RCC slab on top with cement concrete (1:2:4) type B1 using 20mm graded crushed stone aggregate with reinforcement of 12mm dia TMT bars @ 100mm C/C both ways shall be provided using proper formwork. (iv) External surfaces of brick work & concrete above plinth protection shall be plastered with 15mm thick plaster in cement and sand mortar (1:4) finished fair & even. Plaster on top of RCC slab shall not be provided. (v) Three coats of white wash shall be provided on all plastered surfaces. (vi) 75mm thick PCC 1:3:6 type C1 using 20 mm graded crushed stone aggregate as in plinth protection of 75cm width with surface finished even and smooth without using extra cement shall be provided all around the platform walls. (vii) Hollow portion of platform above GL & below RCC slab shall be filled with 40mm to 63mm crushed stone aggregate & compacted by using local dry tibba sand for filling of voids in aggregate.

Dismantling of cast iron, wrought iron or mild steel work of any description and from any position not otherwise provided for in this Schedule (BOQ), complete all as specified and as directed.

S&F Anti-climbing device, spikes type fabricated out of MS bars (round, square and flat) conforming to Grade E-165 (Fe 290) including nuts, bolts, washers and welding in two halves made to shape to suit the cross section of the pole, with & including two coats of aluminium paint over a coat of red oxide zinc chrome primer, including dismantling & taking down old unserviceable rusted/damaged anti-climbing device, complete all as specified & as directed.

Excavating in post holes (or similar holes) each not exc 0.50 cum, getting out, returning, filling in and ramming earth or broken rubble mixed with earth around, in layers not exc 25cm, watering, and removing surplus soil to a distance not exc 50 m and making good surface in soft/ loose soil complete all as specified and as directed.

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

S&F mild steel work as in angle iron in posts & struts in fencing including cutting tops to shape as directed, drilling holes, notching for wire etc, flat iron fillets (for securing wire mesh etc) and similar works conforming to Grade E-165 (Fe 290), complete all as specified & as directed.

S&F mild steel round bars as in tie bars fixed to fencing posts including cut to length, bent to shape, welding of bar at spots as directed and other similar works, conforming to Grade E-165 (Fe 290), complete all as specified & as directed.

Supply and fixing mild steel screw bolts (machine made) with hexagonal or square heads at one end and screwed the other, or screwed both ends, each screwed end to be fitted with washers and one hexagonal or square nut, length of bolt exc 5cm and not exc 10cm long and dia of neck 11 to 15 mm complete all as specified & as directed.

Fixing only mild steel galvanized chain link fencing, any mesh, size and type to any type of standards, rails, straining bolts etc. including provision of binding wire complete all as specified & as directed. Note :- Supply only chain link fencing shall be measured and paid for separately.

Supply only mild steel galvanized chain link fencing 3mm dia of mesh wire & mesh size 100mmx100mm, or of size as directed by the GE, complete all as specified and as directed. Note:- Weight of chain link fencing shall be ascertained through Board of Officers ordered by the GE.

S&F mild steel framed work as in doors or gates of angle or other section with gusset plates, rails, braces, etc., complete, drilled for fixing of steel sheeting or other covering, doors etc. to be prepared for hanging or sliding with and including either hooks and hinges or steel hanging door fittings (exclusive of steel sheeting or other covering, running rails and guides) and hanging, also fastening and fixing, conforming to Grade E-165 (Fe 290), complete all as specified & as directed.

M&L for preparation of new steel and iron surfaces of any description over 10 cm in width or girth and applying two coats of synthetic enamel paint of approved tint over a coat of red oxide zinc chrome primer complete all as specified & as directed.

M&L for 40mm graded crushed stone aggregate, deposited, spread and leveled in layers not exc 15 cm thick, rammed to a true surface, around the outdoor electrical installations, complete all as specified and as directed.

Supply, laying, jointing and testing HT XLPE (cross linked polyethylene) insulated, screened, PVC bedded, galvanised steel strip or wire armoured electric power cable (heavy duty) with aluminium stranded conductor 11000 Volt (Earthed) grade of cross sectional area 95 sqmm, 3 core laid in trenches/ducts, through pipe, under floors or roads/ along poles etc, including dismantling & taking out old unserviceable HT cable, complete all as specified & as directed. Notes :- (i) Sand cushioning, cable protection, GI protection pipe, jointing kits and excavation & earth work shall be measured & paid for separately. (ii) Road cutting/floor cutting /cutting holes etc in walls required for laying/fixing of cable etc shall be made good as per existing. Nothing extra shall be admissible on this account. Quoted rates shall be inclusive of the above provisions.

M&L for cable jointing kit for 11 KV (Earthed) grade cable for outdoor termination cold shrink type joint complete with jointing material and accessories suitable for 3 core XLPE armoured aluminium conductor cable of size 50 sqmm to 95 sqmm, including dismantling & taking out old unserviceable jointing kit, complete all as specified & as directed.

M&L for cable jointing kit for 1100 Volts grade cable for outdoor termination heat shrink type joint complete with jointing material and accessories suitable for 3.5 core XLPE armoured aluminium conductor cable of size 150 sqmm to 185 sqmm, including dismantling & taking out old unserviceable jointing kit, complete all as specified & as directed.

M&L for cable jointing kit for 1100 Volts grade cable for outdoor termination heat shrink type joint complete with jointing material and accessories suitable for 3.5 core XLPE armoured aluminium conductor cable of size 240 sqmm to 300 sqmm, including dismantling & taking out old unserviceable jointing kit, complete all as specified & as directed.

S&F Danger notice plate of 25x20cm size, 1.6mm thick mild steel sheet, vitreous enameled white, with letters, figures and conventional skull and bones in signal red colour for HT 11000 Volts and fixed with suitable MS clamps made out of flat iron 25x3mm, bolts and nuts of approved size, fixed in repairs, complete all as specified & as directed.

Excavating in trenches, not exc 1.5 metre wide and not exc 1.5 metre in depth, for foundation, etc. or for shafts, wells, cesspits, manholes, pier holes, etc. laying cables, pipes, etc. not exc 10 Sqm on plan & not exc 1.5m in depth and getting out in soft/loose soil complete all as specified and as directed.

Returning, filling in, including spreading, leveling watering and well ramming in layers not exc 25 cm thick in soft/loose soil complete all as specified and as directed.

Removing excavated soil/material to a distance not exc 50 metre and depositing where directed at a level not exc 1.50 metre above the starting point complete all as specified and as directed.

M&L for dry sand (Local Tibba sand) and punning for cushioning and cover for protection of under ground electric cable complete all as specified and as directed. Notes : (i) Approved local Tibba dry sand free from vegetations, grass and other deleterious substances shall be used. (ii) For the purpose of payment, only punned thickness shall be measured.

Supplying and laying factory made, un-reinforced precast concrete cable cover, ISI marked, Class HV, Type 1, flat, size 300mm x 180mm x 40mm, laid as cable protection cover in trenches, complete all as specified & as directed.

M&L for Earthing to Transformer / GOD switch / equipments / panels etc with & including galvanised iron pipe electrode of 80mm bore (medium grade, ISI marked) 3.00 metre long buried vertically in ground in bore hole of 150mm dia, pipe electrode shall be tapered at the bottom and provided with 12mm dia holes staggered at 75mm centre to centre upto 2m height from bottom edge, the earth electrode surrounded by adequate quantity of charcoal dust and salt all sides (alround), connected to & including galvanized mild steel strip 32x6 mm as earth lead, including nuts, bolts, check nuts & washers of galvanized iron or steel and riveted/welded to earth electrode at one end and other end of strip connected to transformer / GOD / Panel / equipment body / test point with two Nos nuts bolts or welding with steel structure, GI earth strip encased in and including 40mm bore GI light grade pipe with all fittings from upper edges of earth electrode upto 7.5 metre above ground level fixed with and including 25x3mm flat iron clamps, bolts, nuts and washer and including funnel, wire mesh, etc complete with earth pit in PCC 1:3:6 type C1 using 20mm graded crushed stone aggregate and 40mm thick RCC (1:2:4 type B1) cover complete all as specified and shown in electrical plate No 3 of SSR Part-I including necessary excavation and earthwork in any type of soil, returning, filling in approved soil and disposal of surplus soil to a distance not exc 50m complete all as specified and as directed including dismantling & taking out old existing unserviceable earthing.

M&L for Galvanized iron strip 32mm x 6mm with saddles and fixing screws etc for fitting the strip for roof conductor & down conductors above ground level, fixed in repairs, complete all as specified & as directed.

M&L for Galvanized iron tubing, 80mm bore light grade, ISI marked, including all fittings and laid in trenches/under road/drains, fixed to poles/walls with required size of flat iron (25mmx3mm) clamps, bolts, nuts and washers for protection of HT electric cable including taking down old unserviceable protection pipe with clamps complete all as specified & as directed. Note :- Excavation & earthwork shall be measured & paid for separately.