WBPHED/EE/BMD/NIeT- 3 OF 2024-2025/5

Amount

Suppiy, delivery and storage at site of wall mounted vacuum operated gaseous chlorinatior, capacity 0-2 kg/hr with all equipment, instrument and accessories including 4 (four) nos 100 kg cylinders (2w+2s) and neutralisation arrangement as per given NieT specification. Make-Supreme Technology/Capco water solution pvt ltd/As per approved vendors for electro-mechanical items of 29/12/2023 (WBPHED/VL/ME/01) TC & GC to be submitted during delivery of materials. (Make and drawing to be approved from EIC before placement of Order )

Installation the components as described ir sl. No. 1.00 as per technical specification including supply of all erection materials providing dosing point on rhe rising rnain by making required size of hole, clamping the dosing unit ncluding drawing power line to booster pumps and leak detectof with necessary earthing as per l.E. rules upto the satisfaction of E.I.C

Construction of 2.5m x 1.5m x1.5m depth neutrilization pith

Surface Dressing of the ground in any kind of soil including removing vegetation inequalities not exceeding 15 cm depth and disposal of the rubbish within a lead upto 75 m as directed.

Earth work in excavation of foundation trenches or drain in all sorts of soil ( including mixed soil but excluding laterite or sand stone) including removing spreading or stacking the spoil with in a lead of 75 m as directed .The item includes necessary a) Depth of excavation for additional depth beyond 1,500 mm. and upto 3,000 mm. but not requiring shoring.

Filling in foundation or plinth by silver sand in layer not exceeding 150mm as directed and consolidating same by thorough saturation with water ramming complete including cost of supply of sand.

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

Brick work with 1st class bricks in cement mortar (1:4) (a) In foundation and plinth

(b) In superstructure, ground floor

Ordinary cement concrete (mix 1:1.5:3) with graded stone chips (20mm nominal size) excluding shuttering and reinforcement if any in ground floor as per relevant IS codes. i) Pakur variety

Plaster ( to wall, floor , ceiling etc.) with sand and cement mortar including rounding off or chamfering corners as directed and racking out joints or roughening of concrete surface including throating nosing and drip course where necessary (Ground floor).[Excluding cost of chipping over concrete surface] a) With 1:6 Cement mortar ( 25mm thick )

Neat cement punning about 1.5mm thick in wall. dedo, window sill floor etc Note- Cement0.152 Cum per 100sqm

Moveable Galvanized plain sheet Pit cover M.S.or W.I. Ornamental grill of approved design joints continuously welded with M.S, W.I. Flats and bars of windows, railing etc. fitted and fixed with necessary screws and lugs in ground floor. (i) Grill weighing above 10 Kg./sq.mtr and up to 16 Kg./sq. mtr.

Galvanised plain sheet works (excluding supporting framework) fitted and fixed with 6 mm. dia J or L hook-bolts and nuts, sheet-bolts, limpet and bitumen washers and putty with 150 mm. end lap & 50 mm minimum side lap complete. (a) In roof: with 0.63 mm. sheets.

Supply delivery arrd storage at site of caustic Soda Flskes as per IS-252-20L3 {@300 kg,/site}

Supply, delivery at site of 1 no 100 Amp T.P.N. Main switch with re-wireable Fuse system with iron frame and fixing the same on wall by supplying necessary fixing materials for receiving 3 phase power connecticn frorn purnn house along with supplying and drawing of 4 core, 25 sq nrm Al. Armoured cabie from 100 amp main Switch to control panel {approx 15 mtr.) as required.

Excavation of soil for installation of Earth Electrode and filling & ramming for soft soil

Earthing with 50 mm dia GI pipe (ISI-Medium GI Pipe)x 3.04 Mtr. long and 1x 19/8 stranded GI (Hot Dip) wire (4 Mts. long), 13 mrndia x 80 mm long galvanized bolt, double nuts, double washer including S & F 15 mm dia Gl pipe (ISI Medium) protection (1 Mts, long) to be filled wlth bitumin partly under the ground level and partly above ground level driven an avarage depth of 3.65 Mts below the ground

Extra for proviiding masonery enclosure on the top of the earth electrode of overall size 86.3 crn x 86.36 cm x 46 cm deep {below Ground level} complete with cernented brick work{1.:6} of 25 cm width duly plastered with cement morter (inside) CI hinged inspection cover { size 36.56 cm x 35.5 cm with locking arran6ement, Gl reducer including drilling of 46 nos 12mm dia holes on the GI pipe.

Extra for treatment of soil by using salt & charcoal or coke for pipe electrode

Supplying & fixing earth busbar of galvanized (Hot Dip} MS ftat 50 mm x 6 mm on wall having clearance of 6 rnrn frorn wall including providing drilled holes on the birsbar (complete with all bolts, nuts, washers, spacing insulators etc. as required.

Connecting the equipments ts earth busbar including S & F GI (Hot Dlp) wire of Solid Gl wire {8 SWG) on wall/floor with staples buried inside wall,/floor as required and making connection to equipments with bolts, nuts, washers, cable lugs etc. as required and rnending good demages.

Add: 18% GST

Add: 1% Cess

ABHIJIT MUKHERJEE

TAPAN KUMAR SARKAR