DCSE/CQD/QSC/GSS/21-22/NIT-11 dt.20.10.2021

Amount

Painting of DG set canopy/ outdoor F.P/MDB/Panel with epoxy paint: Preparation of surface: Surface shall be prepared by scrubbing the existing paint and should be made smooth by using suitable sand paper, hand wire brush . Where ever oil or greasy surface on the transformers are found, the same shall be cleaned by using degreasing solvent or equivalent. Uneven surface must be filled with putty to make the surface smooth. All the surfaces where the painting is not to be done such as meters, switches, glass etc shall be suitably covered with masking tape/paper and same shall be removed and cleaned thoroughly after painting. The scope also including Letter painting in black colour with suitable font size with stencile & paint brush as instructed by EIC. Application of primer:- After preparation of the surface, one coat of HB zinc phosphate primer shall be applied by suitable brush/spray. Following are the general details of primer and its application. i. Type of primer - One coat of HB zinc phosphate primer of M/s Asian /Berger paints make or equivalent. ii. Drying time for each coat - Four hours. iv. Application - If brush is used apply without thinner and if spray is used add upto 10% thinner as directed by EIC. Application of paint:After application of above primer and suitable drying time two coats of epoxy paint shall be applied by spray. The followings are the details of finish paint and its application, i. Type of paint - Two coats of epoxy paint of M/s Berger/Asian paints make or equivalent. ii. Dry time for each coat - Four hours. iii. Application of paint - Spray, wherever painting surface by spray is inaccessible brush/suitable method may be adopted for painting the surfaces. If brush is used, apply without thinner and if spray is used, add upto 5% thinner if required or as directed by EIC. iv.Colour for DG Alternator & engine shell - Existing colour or as per instruction of EIC.

Painting of Zerlina 62.5kVA DG alternator and engine shell complete (Approximate surface area 23sq.m)

Painting of Akashganga 320kVA DG alternator and engine shell complete(Approximate surface area 51sq.m)

Painting of indoor Domestic pump panel, DG canopy, Out door F.P/MDB/Meter box, & outdoor DG trolley,temporary supply boxes with enamal paint at various locations of Anushaktinagar, New & Old Mandala colonies, etc. Preparation of surface: Cleaning of panels/DB’s by manual scrapping, wire brushing and finally with wet cotton waste. All dust particles, rust and loose paint shall be thoroughly cleaned. Uneven surface must be filled with putty to make the surface smooth. All the surfaces where the painting is not to be done such as meters, switches, glass etc shall be suitably covered with masking tape ,polythene cover, paper or grease and same shall be removed and cleaned thoroughly after painting. The scope also including Letter painting in black colour with suitable font size with brush as instructed by EIC. Application of primer: After preparation of the surface, one coats of HB zinc phosphate primer shall be applied by spray/brush painting. Following are the details of primer and its application. i. Type of primer - One coat of High built zinc phosphate primer of M/s Asian/Berger paints make or equivalent. ii. Drying time - Four hours. iii. Application - If brush is used apply without thinner and if spray is used, add upto 10% thinner as directed by EIC. Application of paint :- After application of above primer, two coats of enameled paint as per IS: shall be applied by Spray/ brush painting. The following are the details of finish paint and its application, i. Type of paint - Enamal paint of M/s Asian/Berger paints make or equivalent. ii Dry time for each coat - Four hours iii. Application - Brush/Spray.If brush is used, apply without thinner & if spray is used, add 10% thinner or as directed by EIC. iv. Type of colour for panels /F.P/MDB/M.B - Simense grey. vi. Type of colour for DG canopy - Existing orange colour or as per instruction of EIC

Painting of Badrinath & Akashdeep 320kVA DG canopy (Approximate surface area 64.16sq.m)

Painting of Kanchanjunga 125kVA DG canopy -1 & 2 (Approximate surface area 36.86 sq.m)

Paintng of various outdoor feeder pillars/Panel/MDB/Meter box

DG AMF panel (Approximate surface area 7Sq.m)Zerlina, City area

K- pump house domestic & emergency pump panel (Approximate surface area 14.43Sq.m)

Painting of 100kVA portable DG trolley(Approximate surface area 23Sq.m)

Painting of 50kVA portable DG trolley (Approximate surface area 21Sq.m)

Painting of temporary power supply boxes (approximate surface area 0.52sq.m)

Steel repairing work including removing existing gland plates/covers of temporary supply box/ service box/feeder pillar/MDB/LT panel/Busduct in various locations at Anushaktinagar including supplying CRCA steel sheet/Angle/C chanel of required thickness and size cutting, fabrication, welding & fixing properly with necessary drilling/threading and providing nut bolts of required size including painting of welded area with red oxide paint for avoiding corrosion and all as per instruction of Engineer – in – Charge.

Providing M.S. aldrops of 250 mm long with necessary hardwares by drilling & threading / welding in LT panel room / electric shaft doors including painting of welded area with red oxide paint to avoid corrosion in Malayagiri & Udayagiri buildings at Anushaktinagar all as per instruction of Engineer – in – Charge.

Replacement of door hinges set(02nos) in MDB/LT panel/feeder piller/LT cable chamber covers with necessary drilling/threading with tap/ welding, etc. all as per instruction of Engineer in-charge.

Dismantling and shifting the old LT panel and busduct various DSS & IV-D long block to TV store/DCSEM store

Disconnection,dismantling of existing LT panel parts, cable scraps, bus duct materials in M/s.Tata power substations including MS Chanels,chequred plates,Alumimum bus bars, battery sets, battery chargers & any other scrapped materials inside the substations or in the vicinity of the substations of Anushaktinagar colony Loading, shifting and unloading from various locations of Anushaktinagar to DCSEM stores at Anushaktinagar/TV stores,Trombay all as per instruction of Engineer-in-charge. Note: a. For loading and unloading suitable capacity crane shall be used. Transportation of panels shall be done by using suitable truck .The tenderer is advised to see the site before quoting. b. The list of scrap materials at various substations in Anushaktinagar are mentioned in the Technical Bid

Disconnecting cables & dismantling the existing old skeleton panels-07nos approximate size (2.4mx0.6mx2m) in IV-D long block LT panel rooms with all accessories including cutting M.S angle, removal of concealed MS boxes, refinishing with plastering. Loading, shifting and unloading skeleton panels from IV-D long block to DCSE store/TV store all as required & instructed by Engineer in-charge.

Filling up of 1.1mx1.1mx1m trench with M-sand / stone dust and providing 100mm 1:3:6 PCC on top all as required and instructed by Engineer in charge.

Filling up of 1.1mx1.1mx1m trench with M-sand / stone dust all as required and instructed by Engineer in charge.

Removing IV- D long blocks lift no 1& 2 cables from trench and rerouting on wall

Removing lift no 1 & 2 power cables(3.5Cx35sq.mm PVCA cable-02nos) & lighting cables(4Cx10sq.mm PVCA cable-02nos) from skeleton panel upto lift pit through trench,hume pipe & lift pit with necessary dewatering, removal of sand,breaking hume pipe sealing in both ends and rerouting each cable aproximate length 18m on wall / column / slab with 4mm thick heavy dip galvanized GI spacer and 16swg thick saddles fixed at an interval of 350mm using nylon rawal plug, 10 X 35 mm GI wooden screw etc. by preparing hole on lift shaft wall,water pipe line shaft wall,LT panel room wall and providing suitable size PVC pipe for wall entry of cable all as required and as per the instruction of Engineer in charge.

Sealing of existing Hume pipes of 100 to 150mm dia to restrict water entry to lift pit using following steps:. 1. De-watering of water from lift pit 2. Chipping of the loose part of the surface around the hume pipe and make it as original using rich mortar or special repair material micro concrete. 3. Packing the pipe with micro concrete at opening of pipe. 4. Providing a layer of non washing type chemical agent. 5. Grout/seal the pipe with special repair material Micro concrete for a minimum depth of 300mm. 6. Seal the surface with polysulphide sealant. 7. Plaster the surface with surrounding with 25mm thick Ready mix mortar (Area : 450 mm X 450 mm) all are as per the instruction of Engineer in charge.

M V PVCA CABLES: Supply, installation, testing & commissioning of 1100 V grade PVC insulated, tapped PVC / XLPE inner sheath and extruded PVC outer sheath, multi stranded aluminium conductor power cable of size 4Cx10sq.mm conforming with upto date amendments and specifications, fixed on wall / column / slab with 4mm thick heavy dip galvanized GI spacer and 16swg thick saddles fixed at a interval of 350mm using nylon rawal plug, 10 X 35 mm GI wooden screw etc. all as required & instructed by the Engineer-in-charge.

M V PVCA CABLES: Supply, installation, testing & commissioning of 1100 V grade PVC insulated, tapped PVC / XLPE inner sheath and extruded PVC outer sheath, multi stranded aluminium conductor power cable of size 3.5Cx35sqmm conforming with upto date amendments and specifications, fixed on wall / column / slab with 4mm thick heavy dip galvanized GI spacer and 16swg thick saddles fixed at a interval of 350mm using nylon rawal plug, 10 X 35 mm GI wooden screw etc.all as required & instructed by the Engineer-in-charge.

Providing end joints of following sizes of cables by crimping with all jointing materials like solder less heavy duty copper lugs, flux, brass gland, duplicate earthing of gland with copper strip clamp in two halves and fastened to the gland by suitable size of brass nuts & washers, PVC insulated tape, earthing of glands etc. all as required & instructed by the Engineer-in-charges.

4Cx10sq.mm PVCA cable

3.5Cx35sq.mm PVCA cable

Supply and installation of IP65 hot press moulded SMC/FRP cable junction box of size 239x329x129 similar to catalogue No. EL322 of M/s Sintex with 32-63A current rating 4way, 415V Resin cast connector suitable for 16sq.mm cable etc. connecting 35sq.mm cable with 2 mm thick GI gland plate and open-able plain cover etc.

Supply of IP65 polystyrene thermoplastic cable junction box similar to catalogue No. KF1600G of M/s HENSEL with 32A, 4-way terminal block on DIN channel, 2mm thick G.I gland plate of suitable size, and open-able plain cover etc.

Providing of key ring & SS tag strip of size 20X70X2 mm on which name of substation/building/room & key number shall be written by punching as per the specification & directed by the Engineer-In-charge. Note: List of various key name will be issued by EIC.

D.N.ELECTROTECH

ORIENTAL INTEGRATED FACILITY MANAGEMENT PVT. LTD.