PREVENTIVE REPAIR REPLACEMENT OF LT CONTROL SWITCH LT PANNEL LT UG CABLE AND CERTAIN MISC WORKS AT OFFRS MD ACCN NOFRA AREA AND CHUNABHATTI AREA LT EXTERNAL ELECTRICAL SERVICE AT MAP SAILOR NAD MD ACCN BAZAR AREA AND TECH AREA AND EXPLOSIVE AREA NAD

Amount

Notes : (i) The work consists of 01 job as under:- JOB (A) : TPP 23-24 Serial No. 66 (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'

Note:- The Unit Rate quoted in r/o Ser item No 1.02 to 1.59 are deemed to include for the following and nothing extra will be paid for these works: 1. Supplying, erecting and use of scaffolding upto required height (max 25 to 30m) or upto 8th floor height with necessary H-frames, pipes, couplers, buckles, bracing, top platform with support railing at top etc. at all levels of building including carriage of the materials to the location, erecting, fixing the scaffolding and dismembering the same after working and taking away the scaffolding materials etc. complete as per direction of Engineer-in-charge. 2. Supplying, erecting & use of temporary bamboo scaffolding around the building as required. The scaffolding is to be secured properly in position by bracings, ties clamps, etc. complete including providing and erecting working platform at all heights as required, including removal after completion of work all as per direction of Engineer-in-Charge.

M&L for dismantling of existing panel including disconnecting connected cables, etc. and Supply, Installed, 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 with follwoing detailed specification & control complete with suitable fixing accessories,

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 ahing provision for entry of armoured cable of adequite size of glands. The dimension of the outer shell shall be adequite to accommdodate inner shell described below 50 mm space all around and shall be fabricated in such a way that the complet 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 shel 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 :-

(A) INCOMING - (i) 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 – 01 No. (B) OUTGOING - (a) MCCB of 125 A, microprocessor based , 3 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 -05 Nos(4 W + 1 spare ) (b)Digital type Voltmeter three phase class 0.5, 96X 96 mm flush mounted case with adeqaute CT arrangemnt - 01 No (c)Digital type Ammeter three phase class 0.5, 96X 96 mm flush mounted case with adeqaute CT arrangemnt - 01 No (d) LED INDICATORS RIBBED LENS WITH TRIMMED COLLAR - Red, Yellow and Blue - 1 Each, (e) Aluminium bus bar of Rating 600 Amp R-Y-B phases and Neutral. (f) Base frame for cubical mounting made out of suitable size equal angle iron duly painted. (g) 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.

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

Supply & laying 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

M&L for 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 complete all 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 of 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 complete laid in trenches all as specified for 80 mm bore of pipe complete all as specified and directed

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

M&L for earthing complete with galvanised steel earth plate electrode size 600 x 600 x 6.0mm thick buried directly in ground vertically in a pit of depth not less than 2.25 mtr below ground levels with top edge of the earth plate not less than 1.5 mtr below normal ground level surrounded from all sides by mixture of charcoal and common salt and electrode connected to and including galvanised iron strip 32X6 mm dia by means of bolts, nuts, check nuts and washers of galvanised steel and GI pipe light grade 20mm dia bore for watering funnel with wire mesh; CI cover with frame, PCC chamber pit with PCC 1:3:6 type C-2, excavation and earth work in any type of soil; all as shown in electrical plate No 3 of SSR Part-I 2009 connected to earthing test point all as specified and indicated including testing on completion 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&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 and 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 abd specified.

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 and 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 obtained from BOQ Serial item No 1.37 to 1.40 above with & 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

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 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 in replacement 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 in replacement 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 horizontal 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 repairs MCCB of 125 A, microprocessor based , 3 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 repairs 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 repairs 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 repairs 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.

M.K Enterprises

M/s S.D Construction Co

Sagar Electricals

Om Sai Enterprises

PRASHANT ENTERPRISES