Dhemaji Engineering College PWSS under SOPD under Dhemaji Division Dhemaji

Installation of 150mm dia size DTW by Rotary Rig

Supplying, installation, testing and commissioning of water lubricated Submersible Pump Set 3-Phase (for 5HP/ 7.5HP) / Single phase (for 1 HP / 2HP / 3 HP) pump with bronze impeller of suitable diameter all complete. The pump set should be coupled with wet type submersible electric motor drive of adequate power suitable for operation at 230V/ 415 V, 50 Hz input power including supply of steel cable rope, G.I. column pipe, suction strainer, Sluice Valve, Non-Return valve, sockets, bends, elbows etc. & GI delivery piping above ground up to sluice valve above ground level, electrical cable of adequate cross section, clips electrical switch gear (starter) etc., Electric Control Panel Board made of MS Sheet duly painted with Anti-corrosive paints complete fitted with all electrical accessories i.e. Off-On Switch, Voltmeter, Ameter, Indicator light etc., bright Annealed Electrolytic Bar Copper Conducted PVC insulated sheathed round flexible 3-core Cable of the Motor Manufactured conforming to IS:694/1990 all complete as specified and directed by the Department with One year warranty from the date of commissioning and satisfactory testing against any manufacturing defect. [If any such defect is found during the year from the date of installation and satisfactory testing, supplier will have to rectify the defect at their cost and risk & if necessary replace the pump set.] Test Certificate of Pump, Motor, Starter, Panel Board, etc. from the manufacturer shall have to be submitted: 3 Phase 3 HP pump, head considering all losses(m): 32

Supplying, installation, fitting & fixing, testing and commissioning of Electric driven 3-phase (for 5HP/ 7.5HP/10HP/12.5HP) / Single phase (for 1 HP / 2HP / 3 HP pump) Centrifugal pump set of approved make with bronze impeller of suitable diameter with G.I. suction pipe, suction strainer, non-return valve, delivery piping up to sluice valve all complete. The pump set should be coupled with electric motor drive of adequate power suitable for operation at 230V / 415 V, 50 Hz input power with DOL Starter /Star delta Starter including Electric Control panel board enclosure made of MS Sheet duly painted with Anticorrosive paints complete, fitted with all electrical accessories i.e. Off-On Switch, Voltmeter, Ammeter, Indicator light etc., Complete wiring from Panel Board to Main Line including supply of Aluminium Armoured Cable of adequate cross section, Earthing wire and all necessary materials for the same including cost of CC pump foundation with base plate complete and other accessories and labour charge for installation of the pump etc. all complete as specified and directed by the Department with One year warranty from the date of commissioning and satisfactory testing against any manufacturing defect. [If any such defect is found during the year from the date of installation and satisfactory testing, supplier will have to rectify the defect at their cost and risk & if necessary replace the pump set.] Test Certificate of Pump, Motor, Starter, Panel Board, etc. from the manufacturer shall have to be submitted: 7.5 HP pump 3 phase

(A) Supplying, laying , fitting & fixing GI (Medium Class) Pipe conforming to IS-1239 (pt-I) 2004 (with up to date Amendment) including GI specials and jointing material, cutting of pipe materials and necessary earthwork in trenching and refilling of earth and restore to its original condition including dressing, dewatering including bailing out water where necessary all complete and also necessary testing and commissioning as per direction of the department. 80 mm dia GI

(A) Supplying, laying , fitting & fixing GI (Medium Class) Pipe conforming to IS-1239 (pt-I) 2004 (with up to date Amendment) including GI specials and jointing material, cutting of pipe materials and necessary earthwork in trenching and refilling of earth and restore to its original condition including dressing, dewatering incuding bailing out water where necessary all complete and also necessary testings and commissioning as per direction of the department. 100 mm dia GI

80 mm dia GI

Construction of 4.00 Sq.m Size Treatment Plant

CONSTRUCTION OF SEDIMENTATION TANK - 60KL ( SIZE 2.50M x 7.50M x 3.00M)

Supplying,fitting,fixing of internal connection between TP & UGR including labour charge and materials which includes the following jobs: a. Earth work in excavation in foundation trenches (of size 1 x 1 x 18.00 m x 0.60m x 0.90m=9.72 Cu.M) including refilling the quantity as necessary after completion of works of pipe line dressing, ramming, watering etc as directed by the Deptt. b. Supplying of UPVC perforated laterals of 50mm dia and 60 cm long by making hole of 5mm dia at a spacing of 8 cm centre to centre in two lines at 60 degree with the centre of the pipe and threading at both ends and supplying, fitting and fixing 40mm dia U.P.V.C. threaded End Plug at one end, the other end to be fitted with a UPVC threaded nipple of 75 mm long properly embedded in RCC cover slab all complete. c. Providing precast R.C.C slab over drain ,septic tank etc. in prop. 1:3/2:3 reinforced with 10mm M.S. bar @ 150mm centre both ways tying with 20 gauge black annealed wire with necessary shuttering , curing etc. complete including fixing in position as directed. d. Supplying and placing of filter sand of hard and resistant quartz, uniform size and shape free from dust, clay, soft grains, dirt and any other foreign materials includind inorganic salt and organic substance, washed and screened. Having uniformity coefficient between 1.3 to 1.7, effective size between 0.45 to 0.70mm, ignition loss not exceeding 0.7% by weight, soluble fraction in Hydrochloric acid not exceeding by 5% by weight, silica content not less than 90%, specific gravity between 2.55 to 2.65, wearing loss less than 3% as per IS: 1419 (Part-I):1977 all complete as directed. e. Supplying and placing of filter gravel of uniform size and shape without flacky & elongated shape, free from dust , clay, soft grains, dirt and other foreign materials, washed and screened to different sizes as per IS 8419 (Part-I) : 1977 all complete as directed.