WBPHED/EE/AMD/NIeT-25 of 2024-2025/9

Amount

Transformer Shed Making Portion:-

Earth work in excavation of foundation trenches or drains, in all sorts of soil (including mixed soil but excluding laterite or sandstone) including removing, spreading or stacking the spoils within a lead of 75 m. as directed. The item includes necessary trimming the sides of trenches, levelling, dressing and ramming the bottom, bailing out water as required complete. (a) Depth of excavation not exceeding 1,500 mm.

Single brick flat soling of picked jhama bricks, including ramming and dressing bed to proper level and filling joints with local sand.

Ordinary Cement Concrete (mix 1:1.5:3) with graded stone chips (20 mm Nominal size) excluding shuttering and reinforcement if any, in ground floor as per relevant IS codes. a) Pakur variety.

Brick work with 1st class bricks in cement mortar (1:4) (b) In superstructure, ground floor.

Plaster (to wall, floor, ceiling etc.) with sand and cement mortar including rounding off or chamfering corners as directed and raking out joints including throating, nosing and drip course, scaffolding/staging where necessary (Ground floor).[Excluding cost of chipping over concrete surface]With 1:4 cement mortar, (c) 10 mm thick plaster.

Net cement punning about 1.5mm thick in wall, dado,floor etc.

M.S. structural works in columns, beams etc. with simple rolledstructural members (e.g. joists, angle, channel sections conforming to IS: 226, IS: 808 & SP (6)- 1964 connected to one another with bracket, gussets, cleats as per design, direction of Engineer-incharge complete including cutting to requisite shape and length, fabrication with necessary bolting, metal arc welding conforming to IS: 816- 1969 & IS: 1995 using electrodes of approved make and brand conforming to IS:814- 2004, haulage, hoisting and erection all complete. The rate includes the cost of rolled steel section, consumables such as electrodes, gas and hire charge of all tools and plants and labour required for the work including all incidental chages such as electricity charges, labour insurance charges etc.II) II) For Structural Works in Roof Trusses etc. using joists, channels and angles of specified section weighing less than 22.5 kg/ m.

Galvanised corrugated iron sheet work (excluding the supporting frame work) fitted and fixed with 10 mm. dia J or L hook-bolts, limpet and bitumen washers and putty complete with 150 mm. end lap and one corrugation minimum side lap.(Payment to be made on area of finished work)(GCI sheet to be supplied by contractor)(i) In Roof:-a) With 0.60 mm thick sheet.

Square or hexagonal mesh netting made with 18 B.W.G. galvanised wire, fitted and fixed complete as per design (excluding the supporting framework but including local sal wood battens of size 37.5mmx25mm). In ground floor,(b) 25mm mesh.

Transformer Installation Portion:-

Transportation of the 160 KVA transformers from Ramnagar/ Pandabeswar Head Works site to DP Colony Zone-II Head Works by hired vehicle including loading unloading by engaging skilled & unskilled labour to avoid any sorts of damage as per direction of EIC.(Approx 60 KM)

Opening the Top cover & inspection cover cleaning the main tank, removing moisture, dirt etc from this also cleaning HT & LT terminal box removed moisture using hot air blower as per direction of EIC.

Supply of Transformer oil as per IS:335(1993) specification in a sealed drum.(Make-Approved make)

Filling the transformer oil through filter machine by old oil and new supply oil after filtration to the 160 KVA Transformer,engaging skilled and unskilled personnel for increasing IR value as per direction including hire charges of oil filter machine and oil testing equipment as per direction of EIC.(160 KVA Transformer)

Uplifting the transformer through the ramp then placed in proper position by engaging engaging skilled & unskilled labour to avoid any sorts of damage as per direction of EIC.

Supply, delivery at site 3 Core X 95 Sqmm,11 KV (E) Grade XLPE insulated Al. Armoured Cable as per IS 7098.(From DP to Transformer)

Supply, Delivery of Cable at site 3½ Core 120 sqmm 1.1 KV Grade XLPE insulated Al. Armoured Cable as per IS:7098(Part-I).(Single Run)(Transformer LT Side to Change Over)

Supply of Kiosk Box Size (1200 mm X 900 mm X 450 mm) with four nos stand for fitting & fixing ( MS Angle size 35 mm X 5 mm) double door locked system, coated with CRCA paint.

200 Amp Off load change over switch, single handle, 415 Vac,50 Hz.(Make-Havells)

Supply of Indoor type heat shrinkable termination kit for 3 Core, 95 sq mm 11 KV (E) XLPE cable.(Make-Approved Make)

Earthing arrangement for 2 Nos Transformer as per ISS and IE rules.(Earth Pit 6 Nos)

Installation of above said Transformer (160 KVA, Indoor Type, Oil Cooled) on the foundation, then making both H.T. & L.T. Cables termination, with supplied 11 KV(E) heat shrinkable kit, after taking shutdown from Power supply agency end,( H.T. From GOAB terminal Point to H.V. Sides Terminal of Transfomer & L.T. sides of transformer to Kiosk Box) which are installed simultaneously on concrete base, with off-load change over, Connecting the body & Neutral of transformer by using 50mm X 6 mm GI earth strip with pit, arrangement of two way of sub-station, whole work should be done by skilled technician, also laying of cable through masonary trench, (From L.V. side of Transformer to Kiosk Box) as per direction of EIC.

Testing & commissioning of whole system as per direction of EIC.

Add. GST@18%

Add. Cess@1%

EASTERN INDIA SALES AND SERVICE (BID ID -5559749)

BENGAL CONSTRUCTION (BID ID -5559034)