REPAIRS TO HT UG CABLES / OVER HEAD CONDUCTORS AND REPLACEMENT OF UNSERVICEABLE INSULATORS AT AFA HYDERABAD

Amount

S& F Pin type , Polymer insulator 11 KV 320 cd 5 kn for 11000 Volts Grade complete including all accessories yoke,clamps,nuts,bolts etc including taking down unserviceable one complete all as specified and as directed.

S& F Disc type , Polymer insulator 11 KV 320 cd 45 kn for 11000 Volts Grade complete including all accessories yoke,clamps,nuts,bolts etc including taking down unserviceable one complete all as specified and as directed.

S& F Post Insulator,Polymer type, 11 KV 320 cd 5 kn for 11000 Volts Grade complete including all accessories yoke,clamps,nuts,bolts etc including taking down unserviceable one complete all as specified and as directed.

S&F Lightening Arrester expulsion type complete with all fittings transmission class, 11000 Volts , discharge capicity 65 Kilo Amps including taking down unserviceable one complete all as specified and as directed.

M & L for HT 11 KV cable XLPE cable fault locating by removing the both ends of the cable and locating the fault with Fault Locating machine with necessary manpower for excavating the faulty area and making the faulty cable as serviceable with suitable size of Straight through joint kit etc complete all as specified and as directed. (Note :- Straight Through joint kits only will be measured and paid separately)

Supply , laying and testing in replacement of HT UG XLPE Cable insulated screened PVC bedded, galvanised steel strip or wire armoured, electric power cables (heavy duty) with stranded aluminum conductors, 11000 Volts Grade (Earthed) of cross sectional area mentioned below , including removing the unserviceable HT XLPE cable of any size and in any position complete all as specified and as directed. (Note :- Earth work, cable protection covers, sand cushion etc will be measured and paid separately)

(a) 95 Sqmm 3.0 Core

(b) 120 Sqmm 3.0 Core

(c) 150 Sqmm 3.0 Core

(d) 185 Sqmm 3.0 Core

M&L for Heat shrinkable HT 11 KV Indoor termination joint kit for XLPE 11 KV (HT) 3.0 Core cables including materials for the following sizes of cables including taking out existing unserviceable cable joint kits complete all as specified and as directed

(a) 3.0 Core XLPE Cable 50 to 95 Sqmm

(b) 3.0 Core XLPE Cable 120 to 185 Sqmm

M&L for Heat shrinkable HT 11 KV Out door termination joint kit for XLPE 11 KV (HT) 3 Core cables including materials for the following sizes of cable including taking out existing unserviceable cable joint kits complete all as specified and as directed.

(a) 3.0 Core XLPE Cable 50 to 95 Sqmm

(b) 3.0 Core XLPE Cable 120to 185 Sqmm

Supply, joint,and test, HT Straight through jointing kit Heat shrinkable type suitable for HT 11 KV XLPE armoured aluminium conductor cable with necessary jointing materials straight through, connecting of sizes suitable for the following size of cable including taking out existing unserviceable cable joint kits complete all as specified and as directed. .

(a) 50 to 95 Sqmm 3.0 Core

(b) 120 to 185 Sqmm , 3.0 Core

Supply and Fixed in repairs HT 11 KV 3 phase 50 cycle out door, Polymer type Air Break Switch (GOD) suitable for horizontal / vertical mounting fixed type complete with 9 insulators operating handle and all GI pipes, clamps, nuts, bolts etc of rating upto 400 Amps after removing the unserviceable GOD complete all as specified and as directed.

Supply and fixed in replacement of 11 KV Drop out Fuse unit, Polymer type ,11KV,400 Amps Channel type as per relevant IS 9385 Part I / II complete including dismantling of damaged / unserviceable DO fuse unit complete all as specified and as directed.

M&L for cross arms, bracings, clamps and back plates fabricated from structural steel section with painting of one primer coat and under coat and one finishing coat including nuts, bolts, washers, drilling holes for bolts in any shapes or size including dismantling rusted cross arms , channel or angle sections complete all as specified and as directed.

M&L for stringing and fixing in position ACSR conductor in OH lines conductor (Squirrel / Weasel / Rabbit) including binding with aluminium wire including dismantling unserviceable ACSR Conductor of any description and in any position complete all as specified and as directed .

Dismantling and Re Stringing / Fixing Only in Position of sagged ACSR conductors in over Head lines conductor (squirrel / wessel / Rabbit) including binding with Aluminium wire complete after replacement of existing unserviceable insulators, removing and refixing of UG Cables / service wires to the ACSR conductor complete all as specified and as directed.

Felling / Cutting of branches of trees exceeding 30 cm and not exceeding 100 cm grith including cutting of branches around HT line keeping horizontal clearance of 2 mtr from the line of span not more than 50 mtr and removing material and disposal of cut branches to a distance not exceeding 50 mtr and clearing site complete all as specified and as directed

Surface excavation not exc 30 cm deep and average 15 cm deep and getting out in hard / dense soil for laying of Graval / Sand / levelling of ground etc complete all as specified and as directed.

M&L for Painting of four pole structure consisting of 4 Nos Steel Pole 9 mtr above ground level with channels, clamps, bracings, supports, etc by preparing the surfaces and applying two coats of aluminium paint or as per colour code complete and servicing the structure fully by tightening the jumpers, connections, greasing the contact points of Air Break Switch etc and replaced the wornout parts as directed by Engineer -in-Charge complete all as specified and as directed.

M&L for Painting of two pole structure consisting of 2 Nos Steel pole 9 mtr above ground level with channels, clamps, bracings, supports, etc by preparing the surfaces and applying two coats of aluminium paint or as per colour code complete and servicing the structure fully by tightning the jumpers, connections, greasing the contact points of Air Break Switches etc and replaced the wornout parts as directed by Engineer-in-Charge complete all as specified and as directed.

M&L for Painting of four pole structure consisting of 4 Nos PSC pole 9 mtr above ground level with channels, clamps, bracings, supports, etc by preparing the surfaces and applying two coats of cement based paint for PCC poles surface and two coats of aluminium paint for steel surfaces as directed by Engineer -in-Charge complete all as specified and as directed.

M&L for Painting of two pole structure consisting of 2 Nos PSC pole 9 mtr above ground level with channels, clamps, bracings, supports, etc by preparing the surface and applying two coats of synthetic enamel / aluminium paints on metal members and cement based paint on PSC pole surfaces and two coats of aluminium paint for steel surfaces as directed by Engineer-in-Charge complete all as specified and as directed.

M&L for Repair / Servicing / Overahauling of Air Break Switch (GOD) HT 11 KV 3 phase 50 cycle 400 / 200 Amps out door , horizontal / vertical mounting type, including greasing with Multy grease for mechanical parts and apply Conductive sealent for contacts and replacing of burn out parts complete all as specified and as directed..

M&L for PVC Sleeve (Colour code red , yellow and Blue) suitable for ACSR conductor, Rabbit type including taking down old one complete all as specified and as directed .

M&L for earthing complete with Galvanised steel earth plate eletrode 600 mm x 600 mm x 6 mm thick burried directly in ground (earth pit not less than 2.25 mtr deep below GL) with top edge of earth plate not less than 1.5 Mtr below normal ground level, earth plate surrounded from all sides by 15cm thick packed layer of charcoal dust and common salt filled in alternate layers and electrode connections by using Galvanised iron 32 x 6 mm strip connected by means of bolts, nuts, check nuts and washer of galvanised iron or steel, provision of 40mm dia GI pipe medium grade for protection of GI earth strip and 20mm dia GI pipe medium grade for watering arrangement and PCC (1:3:6) type C1 chamber of size 45cm X 45cm X 45cm including, MS funnel, wire mesh, 50 mm thick RCC 1:2:4 type B1 earth pit cover with 6 Nos, 8 mm dia high strength deformed steel TMT bars on both ways including necessary excavation in any type of soil, returning, filling in, removal of surplus soil to distance n exc 50 mtr, provision of charcoal and salt complete all as shown in electrical plate No 3 of MES Schedule Part-I (2009) complete all as specified and as dircted.

Note :- (i) Cost of GI earth strip and GI protection pipe upto 7.5 mtr length shall deemed to be included in the unit rate quoted for this item

(ii) The unit rate shall also includes for wire mesh, funnel, excavation , RER , removal of earth . PCC chember pit , RCC cover slab for earth pit, test point etc.

(iii) All joints between earth plate and earth strip to be welded. Nut bolts should not be used except test point.

S & F Earthing continuity galvanised iron strip 32 mm x 6 mm or main earthing lead fixed to wall with clamps or recess or croses or buried in ground or drawn in conduits / pipe or fixed to poles or any other indicated situation for loop earthing etc as required complete all as specified and as directed.

Excavation in trenches not exceeding 1.5 mtr wide and not exceeding 1.5 mtr depth and getting out in hard / dense soil for laying of cable / GI pipes etc complete all as specified and as directed.

Excavation in trenches not exceeding 1.5 mtr wide and exceeding 1.5 mtr deep but not exceeding 3.0 mtr deep and getting out in hard / dense soil and forming bottom surface to required levels for laying of poles etc. complete all as specified and as directed.

Returning, filling in including spreading levelling watering well ramming in layers not exceeding 25 cm complete all as specified and as directed.

Removing surplus soil to a distance of outside MD land and depositing where directed at a level not exceeding 1.5 mtr above the starting point complete all as specified and as directed.

Material and labour for dry clean river sand for cushioning of cable in trenches for cable protection including spreading, leveling and hand punning complete all as specified and as directed. Note :- Punned down thickness only shall be measured for the purpose of payment.

Supplying and laying un-reinforced precast concrete cable covers, class HV Type I, flat, size 300 mm x 180 mm x 40 mm. laid in trenches for cable protection complete all as specified and as directed.

S & F GI pipes 100 mm dia "light grade" including all fittings ISI marked laid in floors / trenches etc for cable protection including taking out unserviceable pipes complete all as specified and as directed.

S & F GI pipes 80 mm dia "light grade" including all fittings ISI marked laid in floors / trenches etc for cable protection including taking out unserviceable pipes complete all as specified and as directed.

S & F GI pipes 50 mm dia "light grade" including all fittings ISI marked laid in floors / trenches etc for cable protection including taking out unserviceable pipes complete all as specified and as directed.

M&L for PCC (1:4:8) type D-2 mix using 40 mm graded stone aggregate as in foundations of poles including filling and mass concrete complete all as specified and as directed.

M&L for PCC (1:3:6) type C-2 mix using 40 mm graded stone aggregate as in foundations of poles including filling and mass concrete complete all as specified and as directed.

M&L for PCC (1:2:4) type B-1 mix using 20 mm graded stone aggregate as in coping of poles including necessary form work complete all as specified and as directed.

M & L for Cradles, hexagonal / rectangular,fabricated with galvanised steel wire 3.15 mm or 4.00 mm dia complete all as specified and as directed.

S&F Steel tubular swaged poles complete with MS base plate, finial taper plug, bolts, nuts & screws as specified type 410 SP-55 (11.0 metres long) including taking out unserviceable poles of any description complete all as specified and as directed.

S & F Pre Stressed Concrete Pole, 11.0 mtr long. 152 mm x 152 mm at top and 152 mm x 260 mm at bottom, class 9. including taking out unserviceable concrete poles of any description complete all as specified and as directed.

M&L for Painting of Steel Pole, 11 mtr above ground level including Brackets and clamps by preparing the surfaces and applying two coats of aluminium paint or as per colour code including pole numbering on pole as per existing pole No complete all as specified and as directed.

M&L for Painting of Pre Stressed Concrete poles 11 mtr long above ground level with cement based paint as per colour code including pole numbering on poles as per existing pole No complete all as specified and as directed.

M&L for Anti Climbing Devices,spikes type fabricated out of MS bar (round,square and flat) including nuts, bolts, washers and welding in two halves made to shape suit the cross section of the pole including taking out unserviceable device complete all as specified and as directed .

M &L for Danger Notice Plate of 1.6 mm thick mild steel sheet, vitreous enamelled white, with letters, figures and coventional skull and bones in signal red colour and fixed with MS. Clamps, bolts and nuts of approved size, for HT,25 x 20 cm size including taking down unserviceable one complete all as specified and as directed.

M&L for cable route indicator oval shape of size 200 mm x 150 mm x 6 mm thick made out of Cast iron with letter embossed as “HT UG cable” fixed to 25 mm x 25 mm x 6 mm MS angle iron 450 mm long embedded in PCC block 200 mm x 200 mm x 200 mm in PCC 1:3:6 type C-1 mix using 20 mm graded stone aggregate and including two coats of synthetic enamel paint over a coat of red oxide zinc chrome primer on exposed steel surfaces including removing the unserviceable cable route indicator complete all as specified and as directed.

M&L for Disconnecting of LT and HT cable carefully from Transformer and draining out transformer oil, Removing transformer top cover and dismantling of 4 Nos LT bushing and 3 Nos of HT bushing,Tap changer to attending leakage problem with oil seal and all gaskets and replacing the burn out HT / LT bushing and copper Studs including necessary tools and plant and re assembling complete all as specified and as directed for the following capacity :- Note :- (i) Oil seal and all Gaskets are deemed to be including in coated rate. (ii) New Transformer oil ,HT,LT bushing and studs will be measured and paid separatley under relavant Item No.)

(b) 315 / 250 / 200 / 160 / 100 KVA / 400 KVA

S&F HT bushing with copper rod with full set for the following complete all as specified and as directed :-

(b) 315 / 250 / 200 / 160 / 100 KVA / 400 KVA

S&F LT bushing with copper rod with full set for the following complete all as specified and as directed :-

(b) 315 / 250 / 200 / 160 / 100 KVA / 400 KVA

M&L for disconnecting and dismantling the existing indoor type, 11 KV, 25 kA / 18.3 kA Horizontal Isolation horizontal draw out type VCB trolly of rupturing capacity 350 MVA,630 / 800 Amps from location and including replacement of unserviceable / damaged spare parts and repair / overhauling and carrying out with the following complete all as specified and as directed :- Note : - Spare parts will be measured and paid separately under relavent Items of BOQ. (i) Inspecting / overhauling of manual / motorised spring drive mechanism by checking mechanism, motor and gear assembly, big gear assembly, stop bolt assembly, main shaft interlocking assembly, closing spring assembly, small cam with screw,motor cut -off limit switch, butter fly swich assembly and apply multi grease lubricant to function smoothly. (ii) Inspecting / overhauling of Shunt trip / Closing coil assembly,earthfault release assembly, auxilary switch and checking of electrical wiring system. (iii) Inspecting / overhauling /cleaning and inspecting through insulators, vacuum interupters by carbon cleaner solution and apply dry graphite conductive sealant (STNVAC) for electrical contacts to avoid carbon deposits on contact surfaces. (iv) Inspecting / cleaning / overhauling of bus bar chamber by checking of bus bars, spout insulators, space heaters and removing dust with vacuum cleaner / Blower and moisture by hot air blower and checking tightness of bus bars, insulators and applying STRIPPEX

M&L for toping / filling up / replacement of Transformer Oil with 50 KV di-electric strength complete all as specified and as directed.

M&L for loose filling with aggregate of gauge 40 mm of broken stone or boulders, deposited, spread and levelled in layers not exceeding 15 cm thick, watered and rammed to a true surface of transformers and two pole / four pole structures complete all as specified and as directed.