REPAIR REPLACEMENT OF LT UG CABLE, LT FEEDER PILLAR AND CERTAIN OTHER MISC WORKS AT TECHNICAL AREA UNDER AGE EM I AT NAVAL STATION KARANJA

Amount

Notes : (i) The work consists of 01 job as under:- JOB (A) : TPP 23-24 Ser No. 67 (ii) Please refer schedule 'A' notes before quoting the tender. (iii) Amount of Schedule of Credit shall be deducted off line by the department. ITEMS FOR JOB 'A'

Supply, Installing, Testing and Commissioning CPRI approved cubical type LT Panel floor mounted out door type for 415V, 3 phase 4 wire sysytem 50 Hz AC supply, factory made fabricated from MS sheet totally enclosed, dust weather proof and vermin proof for outer shell having TPN aluminium bus bar rating 1.5 times that of controlling MCCB supported on SMC insulator with short circuit withstand capacity 5 MVA for 1 second, bottom base channel MS section not less than 100mm x 50mm x 5 mm thick, entire panel shall have a common aluminium earth bar of size 25mm x 5mm at the rear with 2 Nos earth stud, solid connection from main bus bar to switchgears with required size of copper wiring with minimum 2.5 Sqmm PVC insulated copper conductor cable , cable alleys, cable gland plates in two half and general construction confirming to IS-8623/93 and mounted on suitable PCC foundation including taking out old existing panel board after disconnecting connected cables with the following accessories complete all as specified & directed :-

OUTER SHELL :- The outer shell shall be made of 3.15 mm thick CRCA body & MS angle section 50x50x6 mm frame with front & back openable, single door system lockable/ openable by keys from both sides having flush pattern fancy locks with louvers & air vent gasket for natural flow of air. The bottom of the outer shell contains a detachable plate having provision for entry of armoured cable of adequite size of glands. The dimension of the outer shell shall be adequite to accommdodate inner shell below 50 mm space all around and shall be fabricated in such a way that the complete inner shell alongiwth its control gears and accessories should be taken outside without disturbing outer sheel. The outer shell shall be mounted on a zinc metal coated stand. Provision of threaded earthing studs at bottom and lifting lugs of suitable size at top to lift the feeder pillar box safely shall be made. Computer cut self adhesive vinly danger notice plate having conventional symbol of bone and skull shall be provided. The degree of protection of outer shell shall be IP-65.

INNER SHELL :- Inner shell shall be made of 2.0 mm thick CRCA body compartmentalized for each control gear, front openable single door system lockable/openable by keys from both sides having chromium plated fancy locks (2 Nos in each compartment) ahving louvers and air vents gasket for natural flow of air "U' type gasket shall be used to make the inner shell completely vermin proof and to accomodate incomer/outgoing MCCB's and TPN aluminium bus bar and extension links of rating not less than the 1.5 times rated capacity of the respective MCCB's. The TPN bus bar and exension links shall be insulated with colour coaded heat, shrikable sleeve and shall be mmounted on suitable size 'F' class through out the length of the TPN bus bar. Computer cut self adhesive vinyl danger notice plate having conventional symbol of bone and skull shall be provoid on bus bar chamber. All control wires shall be with not less than 2.5 Sqmm multistranded copper conductor and shall be properly bunched. tied, ferruled for proper identification and crimped with adequite size of lugs. The cubical shall have a bottom channel of size 75x50mm duly coated with zinc metal coating. A detachable predrilled gland plate of thickness 3.15 mm zinc metal coated should be used at the bottom, indicating lamps LED type, 230 Volt, AC at the incomer of the unit to show three phase availablity at the incomer. The degree of protection for inner shell shall be IP-42 and carrly the following control :- INCOMING - (i) MCCB of 800 A, adjustable thermal & fixed magnetic , 4 pole 415 volt 85 kA breaking cap. With adjustable over load,short circuit ,ground fault (4 pole) & fixed instantanous neutral protection(4 pole), conforming to IS/IEC-60947-2 including spreader terminal kit – 01 No. OUTGOING - (i) MCCB of 250 A, adjustable thermal & adjustable magnetic ,4 pole 415 volt 36 kA breaking cap. With adjustable over load,short circuit ,ground fault & fixed instantanous neutral protection, conforming to IS/IEC-60947-2 including spreader terminal kit -04 Nos(3 W + 1 spare ) (ii) MCCB of 125 A, adjustable thermal & adjustable magnetic , 4 pole 415 volt 25 kA breaking cap. With adjustable over load,short circuit ,ground fault & fixed instantanous neutral protection, conforming to IS/IEC-60947-2 including spreader terminal kit -04 Nos(3 W + 1 spare ) (iii) Digital type Voltmeter three phase class 0.5, 96X 96 mm flush mounted case with adeqaute CT arrangemnt (iv) Digital type Ammeter three phase class 0.5, 96X 96 mm flush mounted case with adeqaute CT arrangemnt (v) LED INDICATORS RIBBED LENS WITH TRIMMED COLLAR - Red, Yellow and Blue - 1 set (vi) Aluminium bus bar of Rating 600 Amp R-Y-B phases and Neutral. (vii) Base frame for cubical mounting made out of suitable size equal angle iron duly painted. (viii) Foundation for the panel shal be with PCC 1:2:4 type B-2 using 20mm graded stone aggregate upto 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.

Taking out cable loop after necessary excavation ,cutting the burnt out damage end of cable ,refixing the cable providing suitable size of brass cable gland and aluminium lugs complete with all necessary connection with the existing system and refilling of excavated soil making finishing with the existing ground surface complete all as specified & directed for the following sizes:-

2/3.5 core 10 to 16 sqmm

3.5/4 core 25 to 50 Sqmm

3.5 core 70 to 120 SQmm

3.5 core 150 to 240 sqmm

3.5 core 300 to 400 Sqmm

M&L for PCC type C2, 1:3:6 using (40 mm graded stone aggregate) in foundations ,filling and mass concrete includings necessary form work complete all as specified & directed

S&F On load changeover switch 4 pole of cap 250 A with SS enclosure including spreader terminal kit conforming to IS/IEC-60947-3 complete all as specified and directed.

S&F On load changeover switch 4 pole of cap 400 A with SS enclosure spreader terminal kit conforming to IS/IEC-60947-3 complete all as specified and directed.

M&L for boring of 100 mm in road crossing / drains with mechanical machine equipment and other necessary arrangement to be provided by the contractor during execution complete all as specified and directed.

S&F in replacement MCCB of 125 A, microprocessor based , 4 pole 415 volt 35 kA breaking cap. With adjustable over load,short circuit ,ground fault & fixed instantanous neutral protection, conforming to IS/IEC-60947-2 including spreader terminal kit complete all as specified and directed.

S&F in replacement MCCB of 160 A, microprocessor based , 4 pole 415 volt 35 kA breaking cap. With adjustable over load,short circuit ,ground fault (4 pole) & fixed instantanous neutral protection(4 pole), conforming to IS/IEC-60947-2 including spreader terminal kit complete all as specified and directed.

S&F in replacement MCCB of 250 A, microprocessor based , 4 pole 415 volt 35 kA breaking cap. With adjustable over load,short circuit ,ground fault (4 pole) & fixed instantanous neutral protection(4 pole), conforming to IS/IEC-60947-2 including spreader terminal kit complete all as specified and directed.

S&F in replacement MCCB of 400 A, microprocessor based , 4 pole 415 volt 50 kA breaking cap. With adjustable over load,short circuit ,ground fault (4 pole) & fixed instantanous neutral protection(4 pole), conforming to IS/IEC-60947-2 including spreader terminal kit complete all as specified and directed.

Taking out carefully LT UG cable following sizes after necessary excavation , removing of soil, precast cable cover and setting aside for reuse complete all as specified & directed

2/3.5/4 core 10 to 25 sqmm

3.5/4 core 16 to 50 Sqmm

3.5 core 70 to 120 SQmm

3.5 core 150 to 240 sqmm

Relaying of LT UG cable of following sizes including sand filling, laying of cable cover and filling of soil complete all as specified and directed.

2/3.5/4 core 10 to 25 sqmm

2/3.5/4 core 16 to 50 Sqmm

3.5 core 70 to 120 SQmm

3.5 core 150 to 240 sqmm

M & L for fabrication/Jointing/welding work to repair electric control panel/LT Panel/Feeder Piller box /Bus bar panel any type and any size including repairing of hinges,doors, clamp,handle,angle iron,nut bolts & replacement handle with numric lock etc complete all as specified & directed

M&L for spray painting 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 & hang the danger sign board of 1100 Volt on LT Panel complete all as specified and directed.

Supply ,Laying, jointing, connecting & testing XLPE/PVC insulated PVC sheathed cable heavy duty 1100 volts grade, aluminum conductor in trenches / ducts of following sizes complete all as specified & directed

4 core 16 Sqmm

3.5 core 25 Sqmm

3.5 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

Excavation in trenches for not exc 1.5 mtr wide and not exc 1.5 mtr depth and getting out in soft/loose soil including taking out faulty cable/cable covers and GI pipe complete all as specified and directed.

Excavation in trenches for not exc 1.5 mtr wide and not exc 1.5 mtr depth and getting out in Hard/dense soil including taking out faulty cable/cable covers and GI pipe complete all as specified and directed.

Returning filling in including spreading levelling watering and well ramming in layers n.exc 25cm complete all as specified & directed.

Removing excavated materials n.exc 50m and depositing where directed at a level n.exc 1.5m above the Starting point complete all as specified and directed.

M&L for dry river sand as sand cushioning for protection of UG cable including punning of sand in layers complete all as specified and directed. Note :- Punned thickness shall be measured for payment purpose.

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

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

Disconnecting 1.1 KV grade XLPE cable of any size from structure/pole/transformer/LT panel/trench for finding fault and its location including cutting faulty cable to facilitate joint and testing remaining part of cable for any further fault using cable fault locater equipment including bringing approved cable fault locating equipment & to be taken back after finding fault is over all complete as specified and directed. Note :- Excavation and earth work and joints shall be measured and paid for separately.

S&F in repairs 1.1 KV straight through joint kit 3.5 core 25 sq mm to 50 sqmm complete all as specified and directed.

S&F in repairs 1.1 KV straight through joint kit 3.5 core 70 sqmm to 120 sq mm complete all as specified and directed.

S&F in repairs 1.1 KV straight through joint kit 3.5 core 150 sq mm to 185 sqmm complete all as specified and directed.

S&F in repairs 1.1 KV straight through joint kit 3.5 core 240 sq mm to 300 sqmm complete all as specified and directed.

S&F in repairs 1.1 KV straight through joint kit 3.5 core 400 sq mm complete all as specified and directed.

M&L GI pipe light grade with all fittings laid in trenches for 80 mm bore of pipe complete all as specified and directed.

M&L GI pipe light grade with all fittings laid in trenches for 100 mm bore of pipe complete all as specified and directed.

M&L for Earthing complete with GI earth plate electrode 60cm x 60 cm x 6 mm buried directly in ground vertically to a depth not less than 2.25 mtr below normal ground level with top edge of earth plate at a depth not less than 1.5 mtr below normal ground level connected to and including GI strip 32 x 6 mm by means of bolts, nuts and check nuts and washers etc made of GI & connected to Earthing test point and earth dolly all as shown in elect plate No 3 of SSR Pt-I incl all necessary earth work, excavation, PCC chamber, chamber cover with handle (PCC 1:2:4) including 40 mm dia protection pipe & 20 mm dia watering pipe and wire mesh funnel etc complete all as specified and directed. Note : (i) The unit rate includes for protection pipe and lead wire from top of earth plate up to 7.5 meter above ground level and also the cost of the Test point. (ii) Joining of GI earth strip with pipe of the test point shall be done by using suitable cable lugs.

M.K Enterprises

SREE HARITHA ASSOCIATES

R A Electric Co.

LAXMI ENTERPRISES

ENJOY

Urja Techniques India Pvt. Ltd.

ELECTRO ASSOCIATES

S.P.TRADERS