Repairing and maintenance of Kirloskar make, DSM4RM pump, Fabrication of 2 nos. of coupler forDSM4RM pump and 50HP motor set and Construction of 2Mx2Mx1.5M foundation for firefighing pump-motor set at ARA Colliery.

Amount

A):- For repairing and maintenance of Kirloskar make, DSM4RM pump, used for fire fighting arrangement at Coal stock of Ara Colliery under Kuju Area.

Repairing of Impellet (Gun metal) on neck bush & neck ring setting portion by materials filling and machining as per required size and balancing ete-

Supply and fixing of Neck ring (Gun metal) 1G-2-

Supply and fixing of Shaft sleeve of 1 G-2 materials.

Supply and fixing Interstate ring-

Supply and fixing of Bearing Cartige (C1), DE and NDE-

Replacement of Check mut 04nos, kevs set and split gland set-

Repairing of worn-out portion of steel shaft by developing and machining as per required dimension of bush bearing and balancing of total shaft

Repairing of oval worn out bearing housing by welding of C.1 electrodes and machining up to size on bearing setting portion & locking system making

Welding of damage/crack portion of upper and lower body of pump by CI machinable electrodes

Replacement of S. R. Ball bearing both side

Replacement of Body bolt/stud with nut and washer-

Openning and Assembling of Pump with packing 'O' ring and misc bolts etc

B):- Fabrication of 2 no. of coupler of size 300mm outer dimeter and 32mm & 64mm inner diameter with 12 holes each, including cost of C.I. material required and cost of casting & machining for DSM4RM pump and 50HP motor set respectively.

Fabrication of 300mm outer diameter and 32 mm inner diameter coupler with 12 holes including cost of C.I. material required and cost of casting, machining and key making for DSR4RM Pump

Fabrication of 300mm outer diameter and 64mm inner diameter coupler with 12 holes including cost of C.1. material required and cost of casting, machining and key making for 40 HP Motor

Supply of H.T. coupling bolt of size 18x90mm with washer

Supply of drum type coupling bolt rubber bush of size as required.

(C) Construction of 2Mx2Mx1.5M foundation for firefighing pump-motor set, 2.5Mx2.5MX1.5M foundation inside switch and starter shed at 16B quarry and repairing of existing switch and starter shed at 16B quarry of Ara Colliery.

Earth work in excavation by mechanical means (Hydraulic excavator) manual means over areas (exceeding 30 cm in depth 1.5 m inwidth as well as 10 sam on plan) including disposal of excavaledearth.lead upto 15 m. disposed earth to be levelledand neatly dressed 2 8 1 Ordinary rock 45 Mtrs x 4.5 Mtrs x 0.7 Mirs 14 18 Cu Mtrs

Brick work with common burnt clay modular bricks of class designation7 .5 in foundation and plinth in Cement mortal 1;4 (1 cement 4 coarse sand) (1.5 Mtrs x 0.25 Mtrs 4.5 Mtrs 2 wall 1.5 Mtr x 0.25 Mtr x 3.5 Mtr x 2 Wall) 6 Cu Mtrs.

Providing and laying in position cement concrete of specified grade excluding the cost of centering and shultering All work up to plinth level 1:2:4 (1 cement: 2 coarse sand (zone-III) 4 graded stone aggregate 20 mm nominal size) For Foundation Top- 4.5 Mtrs x 4.5 Mtrs x0.12 Mtr = 2.43 Cu. Mtr.

Centering and shuttering including strutting, propping etc. and removal of form for Foundations, footings, bases of columns, etc for mass concrete

Cement plaster skirting up to 30 cm height, with cement mortar 1.3 (1cement: 3 coarse sand), finished with a floating coat of neat cement. 18 mm thick. For Foundation Wall-0.8 Mtr x 4.5 Mtrs x 4 wall x 2= 28.8 Sq. Mtrs.

Providing and fixing 0.63 mm thick with zinc coating not less than 275 gm/m³ corrugated G.S. sheet roofing including vertical/curved surface fixed with polymer coated J or L hooks, bolts and nuts 8 mm diameter with bitumen and G.I limpet washers or with G.I. limpet washers filled with white lead, including a coat of approved steel primer and two coats of approved paint on overlapping of sheets complete (up to any pitch in honizontal vertical or curved surfaces), excluding the cost of purlins, rafters and trusses and including cutting to size and shape For shed top cover-2.5M x 2.5M+ for 3 side cover from top-2.5M x 2.5M x 3 = 25 Sq.M.

Total impact of GST for the purpose of CTC

SINHA SALES & SERVICES (BID ID -1155723)

M/S NATIONAL ENTERPRISES (BID ID -1155786)