Military Engineer Services Tender

M&L for river washed and screened, dry sand for filling in trenches below and around underground cables for cushioning of cables etc, complete all as specified and directed by Engineer- in- Charge. Note : Measurement shall be taken after punning down.

Supply & laying non-reinforced precast concrete cable (PCC) cover class HVP type 1 with peak size 300 mm x 180mm x 40mm in trenches for protection to under ground cable complete all as specified and directed by Engineer- in- Charge.

All as per srl item No 5 here-in-before but using old PCC cover complete all as specified and directed by Engineer- in- Charge.

Supplying, laying, jointing testing and connecting XLPE insulated, screened, PVC bedded, galvanized steel strip or wire armored, electric power cable (heavy duty) 185 sqmm 3 core with multistranded aluminum conductors, 11 KV grade, IS 7098 marked, suitable for HT 11 KV(E) system, laid in trenches / ducts / encased in GI pipe / fixed to pole, including jointing & testing and taking out old HT cables complete all as specified and directed by Engineer- in- Charge. Note :- Excavation, earth work ,cable protection , sand fillings , cable joint shall be measured and paid separately under respective items of schedule.

All as per item no 7 above but of HT Cable of size 120 sqmm 3 core complete all as specified and directed by Engineer- in- Charge.

Boring of holes under road, pavement, hard standing by trenchless technology using ultra sounding technique and necessary machine including HDPE pipe of 150 mm dia suitable for 0.6 mpa working pressure complete all as specified and directed by Engineer- in- Charge.

Supply and fix Cable jointing kit for 11 KV (Earthed) grade cable for Straight through heat shrink type joint complete with jointing material and accessories suitable for 3 core XLPE armored aluminum conductor cable of size 185 sqmm to 240 sqmm incl testing and commissioning complete all as specified and directed by Engineer- in- Charge.

S&F cable route indicator made of RCC (Nominal Mix) type B0 1:2:4 (12.5mm graded stone aggregate) with 8mm TMT Bar 150mm c/c of size 1m height X 60cm wide X 10cm thick tapered on top, visible above ground, duly painted with synthetic enamel paint of yellow colour base and letters with black paint. The description for writing for HT cable 33 /11KV as directed by Engr-in-charge complete all as specified and directed. Note:- Rate for PCC 1:3:6 for foundation (min size 0.8mx0.3mx0.3m) of aggregate size 20mm including necessary excavation & earthwork for cable route indicator deemed to be included in the item.

Boring of hole under road/pavement/hard standing or any other situation by manual means and suitable for passing of GI pipe 150 mm bore and making good both ends complete all as specified and directed by Engineer- in- Charge.

Supply and laying HDPE pipe suitable for 4 kgf/cm 2 working pressure with all fitting , laid in trenches for protection of cable in road /drain crossing of 150 mm bore dia complete all as specified and directed by Engineer- in- Charge.

Supply and fix Cable jointing kit for 11 KV (Earthed) grade cable for Indoor termination heat shrink type joint complete with jointing material and accessories suitable for 3 core XLPE armored aluminum conductor cable of following size 120 sqmm to 185 sqmm 3 core complete all as specified and directed by Engineer- in- Charge.

M&L in replacement of Earthing complete with galvanized steel earth plate electrode of size 60cmx60cmx6 mm thick, buried directly in ground (earth pit not less than 2.25 m below normal ground level) with top edge of earth plate not less than 1.5m below normal ground level, connected to galvanized lead wire 4mm dia by means of bolts, nuts, check nuts and washers of galvanized iron or steel as shown in electrical plate No 3 of SSR Part I, connected to earth test point and the equipment on the other nuts and washers of galvanized ironsides complete all as specified, including testing and commissioning complete all as specified and directed by Engineer- in- Charge. Note : (a) The unit rates quoted against this item shall be deemed to include the cost of excavation and earth work in any type of soil, common salt & charcoal dust in alternate layers, PCC 1:3:6 as in pit, precast RCC 1:2:4 type B-1 with necessary reinforcement as in cover & frame for pit, funnel, watering pipe 20 mm bore GI pipe light grade, protection pipe 15 mm bore GI pipe medium grade etc. (b) The quoted rates shall also deemed to include the cost of earth test point and earth strip/GI lead wire and protection pipe up to 7.5 meter beyond the earth plates electrode.

Supplying, installation, testing and commissioning of 11 KV 630 Amps having short circuit capacity 21 kA for 3 sec, Outdoor (IP54), RMU (Ring main unit) 4 way comprising of 02 Nos motorized operated load breaker and 02 No 630 Amps fixed type motorized spring charging VCB electrolytic grade copper bus bars all inside single, gas filled, robotic welded non-magnetic stainless steel 304 or better grade, IP 67 Degree of Protection tank with min thickness 2.5 mm +/- 0.1mm, min thickness for load bearing/outer sheet 2 mm and 1.6 mm for non-load bearing member, internal arc IAC AFLR classification, 21 kA for 1 sec for gas tank and Cable chambers. The enclosure shall have pad lockable doors as per OEM design, fully covering the front facia and cable boxes, ensure fail safe anti-theft protection. The unit along with Bus connected, fixed type Auxiliary transformer shall include the following along with all necessary accessories and fittings are required at site:- Make – ABB/ SIEMENS / C&S / SCHNEIDER (A) Incoming Load Break Module - Each consisting of following accessories: (i) Each switching – unit is designed as a three position switch. This three function switch combines the function of switch – disconnector an earthing switch (ii) 11 KV, 630 A Load Breaker Switch with interlocking line -earthing scheme both short circuit current, 21 KA for 3 Sec Making capacity – 50 kAp- 01 No

(iii) Auxiliary contacts – 1 NO + 1 NC- 01 No. (iv) Spring assisted motorized mechanism with un-inhabited operating shaft for emergency manual operation with integrated earthing switch – 01 No (v) Cable terminals cable bushing situated not beyond 300 mm or as per OEM tested design from cable cover to allow ease of access for installation/testing) with door arrangement for enhanced safety (IP54+IP3X) interlocked to prevent access of size up to 11 KV, 300 Sq mm, 3 Core, along with XLPE AL cable termination / End Kits Each set of 3 (vi) Right angle boots (push on type) Each set of 3 (vii) Arc proof cable covers having cable entry from bottom, front with interlocking mechanism including earth switch – 01 No. (viii) Capacitive voltage indication fixed type system as per IEC 6123 with LED – 01 Set (ix) Fault passage indicator – It is to be provided for each incomer Load break unit, FPI with LED / digital display to be added to detection of cable fault – 01 No (x) ON, OFF, Earth mechanical indication on the front mimic of the panel – 01 No Cable cover standard - 01.

(B) Outgoing VCB Module - Each consisting of following accessories: - (i) Each function – unit consists of a vacuum – circuit breaker in combination with a three position – switch. The three-position switch fulfils the operation of the disconnector and earthing function. (ii) 11 KV, 630 Amps Fixed type VCB module with series disconnector cum earthing switch of short circuit breaking current / withstand, 21 KA for 3 Sec Making Capacity – 50 kAp - 01 No (iii) Auxiliary contacts – 1 NO + 1 NC- 01 No. (iv) Stored – energy motorized high – endurance spring charging mechanism (M1+), with inbuilt spring charging lever and mechanically latched ON/OFF push -buttons to allow handle less and un-inhabited operation – 01 No. (v) Cable terminals cable bushing situated not beyond 300 mm or as per OEM tested design from cable cover to allow ease of access for installation/testing) with door arrangement for enhanced safety (IP54+IP3X) interlocked to prevent access up to 11 KV, 185 Sq mm, 3 Core, along with XLPE AL cable termination Each set of 3 (vi) Right angle boots (push on type) Each set of 3 (vii) 3 O/C + 1 E/F self-powered numerical protection relay with low and high set for over current and Earth Fault. Relay should have facilities to display the maximum loaded phase current also. Relay shall record minimum 5 fault records with time stamping. Relay shall be communicable with RS 485 Port on MODBUS Protocol – 01 No/per VCB outgoing. (viii) Auxiliary Relay for OTI / WTI – transformer protection – 01 No (ix) Associated ring Core cast- resin insulated CTs Dual Ratio 100/50/1-1 or 81/40/1-1 or 50-25/1-1 Amp as per site reqmt (for metering and protection) 2.5 VA, 10 P 10 Protection – Each set of 3 (x) Arc proof cable covers having cable entry from bottom, front with interlocking mechanism including earth switch – 01 No. (xi) Capacitive voltage indication fixed type system as per IEC 6123 with LED – 01 Set (xii) ON, OFF, Earth mechanical indication on the front mimic of the panel – 01 No

(xiii) Emergency trip push button – 01 No. (xiv) CB mechanical operation should be min 10000 Nos without any maintenance. (xv) Vacuum Interrupter and VCB must be RMU manufacturer’s own make for better life cycle optimization. (C) Bus connected, fixed type Potential and Auxiliary transformer with floor mounted compartment of matching height and depth, positioned alongside RMU to provide required aux. supply for spring charging motor and metering, consisting of following accessories:- (i) 1-Ph 11 KV/110V, class 0.5 potential transformer – 03 Nos for metering. (ii) 1-Ph (11 KV/rt3), 230 VAC, 250/500 VA Auxiliary transformer – 01 No for battery charging. (iii) 11 KV Tri vector Energy Meter of Class 0.5 accuracy with RS 485 Communication – 01 No per VCB o/g (iv) 2x12 Volt DC battery – 01 Set (v) 230 VAC/24 VDC Battery charger – 01 No, with indication of status of functioning (vi) HRC fuse links for primary side isolation and AC/DC MCBs for secondary isolation – 01 Set (vii) Voltmeter & RYB LED indications to confirm AC/DC supply availability – 01 Set (viii) Anti condensation space heater with thermostat – 01 No (ix) LED lamp for illumination and 3 pin socket with switch – 01 No (D) Standard mano meter -01 for each tank, Operating handle - 02, cable clamping provision (standard)-01/for every cable entry, Operation and maintenance manual - 01, installation and commissioning manual - 01, RMU Foundation as per OEM Recommendation (Earth Work and PCC works) for placing RMU on plinth is deemed to be included in the cost quoted. Height of plinth should not be less than 0.45 mtrs from ground level. NOTE:- 1.The above module consisting of Load break Switches and VCBs shall be aligned appropriately and must have electrical and mechanical interlocking as per latest electrical safety norms including installation on platform as recommended by OEM.2.

Platform:- M&L for Brick Masonry ( Using sub class 'B' Brick) platform of size 3m x 3m x 1 m height , built in CM 1:4 complete with excavation & earth work , PCC 1:4:8 type D-2 in foundation , 15 mm thick rendering in CM 1:6 on sides and top of the brick work , up to 150 mm below ground level , supply and fixing of 02 Nos MS Channels of size ISMC-100 for balancing of Transformer embedded in PCC 1:2:4 type B-1 up to 100 mm Thick RCC 1:2:4 with 10 mm steel bar including 20 mm graded aggregate , including provn of steps on one side complete all as specified and directed by Engineer- in- Charge.

Disconnecting electrically and mechanically outdoor transformers upto 400 KVA capacity, lowering down from 4/6/8 pole structure carefully using hydra machine and Re-installation of transformer on plinth, connecting electrically and mechanically, testing and commissioning complete all as specified and directed by Engineer- in- Charge.

Fencing :- M&L for perimeter fencing of size 04m x 04m x 2m (as per site condition) having MS work of angle iron for post and struts of fencing around the transformer plinth/substation/LT panels/RMU etc drilling holes flat iron fillet for securing wire mess by welding to angle iron frame and framed work as in door/gate of angle iron and wiremesh.Door to be fixed by 03 nos 100mm long hinges and one sliding door bolt of 300mm long for locking arrangement complete all as specified and directed by Engineer- in- Charge. Details are as follows:- (a)Angle iron post to post distance maintained not more than 02mtr ,size of angle shall be 40x40x5mm.Angle Iron shall be embedded in natural ground not less than 0.90 m deep. (b)MS wire 75x75mm mesh 3.15 mm dia ,2mtr height and shall be fixed to post with flat iron 32 x 6 mm fillet with two coats of synthetic enamel paint over a coat of red oxide primer. (c)Cement concrete type D-2 ,1:4:8 using grade crushed stone aggregate for mass concrete/ foundation. (d)Brickwork with subclass 'B ' bricks ,straights or curved on plane exc 6m mean radius ,built in cement mortar 1:6 complete for toe wall along the perimeter fencing. The toe wall shall be one brick thick,30cm high (15cm above GL and 15cm below GL) on 75mm thick PCC lean concrete. (e) The exposed surfaces of brickwork shall be rendered 15mm thick in CM (1:4) finished fair and even without using extra cement. (f) The steel gate shall be of size 1.00m x2.00 m fabricated from angle iron 40x40x5 mm frame and 12x12 mm square guard bars. (g) All the exposed surfaces of steel shall be painted with two coats of Synthetic enamel paint over one coat of Red Oxide Primer. (h) Dry stone aggregate of size 40mm spreaded ,leveled & compacted up to 100mm thick. (h) Necessary excavation and earthwork shall be included in the quoted rate.

Dismantling of of any type 2/4/6 pole structure of any size and at any location complete all as specified and directed by engr-in-charge

Note : contractor should procure and provide 50 % of the material as listed above within 15 days of the placing of work order and shall be verified by the Engr-in-charge