Technical bid for Repairs of 2 Nos 12.5 hp Monoblock pumps in Staff Qtrs RTTC Mysore SW Balance works

Amount

Repairs to Pumpset (Balance works)

Servicing of existing 12.5HP, 3phase, 415 Volts Monoblock Centrifugal Pumpset in the pump room i/c Dismantling from base channel, associated suction pipe, priming arrangements, disconnecting power connections, taking it to Workshop , reviving the Motor winding by application superior quality insulation grade Varnish to the Stator winding, providing new -1No,GM(Gun-metal bush) , Supplying & fixing pair(2Nos) of new bearings , replacement of gland packing near shaft , checking the Impeller condition & cleaning it , checking the fastners and replacement of minor spares if any , testing the insulation levels , ITC at Site , complete as reqd. Bearings ( SKF/NBC Make Only)

Supply and Fixing of Fully Automatic Star-Delta starter control panel with the following features and protection facility, suitable for operation of pumps up to 15 HP, 3 ph with Thermal Over load relay (Range 13 to 22 Amp) fixed in a company fabricated metal enclosure for operation on 415V, 50Hz, AC supply, fixing the same in existing pump room on surface making connections, Sign writing , testing complete etc reqd. (Make:-L&T, Model: MU-G15 FASD or Similar Superior Make). Features IN FASD starter control panel i) Protection from Single - Phasing ii) Protection from Overload Conditions iii) Protection from Phase Reversal iv) Protection from Phase Unbalance 55V (±5V) v) MU Contactor with relay Range 13 - 22 Amps vi) Wide band coil with a rated coil voltage 360V vii) Indication of healthy supply connection viii) Auto Restart (with 30 Sec ON delay) ix) Power ON & Pump ON indication x) Unique Dual Volt-ammeter & Ammeter xi) Terminal block for termination.

Supply and Laying of 4x10 Sq mm PVC insulated Sheathed Multi strand Copper Conductor wire in existing panel/ Control panel for inter-connection wiring etc as reqd.

SITC of New Pump set Changeover System / Control panel with a Metal enclosure made of a 16G MS sheet , powder coated of size 600mm W X 450mm H X 200mm depth ) with hinged door 1 for COS & other for MCB's) and a partition sheet between Changeover and MCB's for isolation . nock out provision for cable entry at bottom, rubber gasket for door, painting the box ,interconnections, testing etc including supply & fixing the following Switchgears complete as reqd. i) 63A, 4Pole, 2 way center OFF on-load Change Over Switch - 01No (Make: Havells/HPL, HPL Socomec or similar superior make). ii) 32A , TPN , "C" Curve MCB fixed on din channels -2Nos (Make : Hager. )

Supplying and Laying of 3Core 6 Sqmm PVC insulated, sheathed, multistrand, annealed copper conductor FLAT cable to the pumps from starter panel in existing pipe/ panel i/c connections etc as reqd.

Supplying and fixing of following dia medium class PVC pipe on surface/ recess etc as reqd. i) 32mm PVC pipe

Supplying and fixing following plumbing accessories for the above 12.5HP pumpsets i/c adhesives / tapes etc as reqd. i) 80mm dia GM/ Brass Foot Valve ( leader , Sant )

75/80mm dia GM/ Brass Gate Valve (flowtech or ss make )

40mm dia GM/ Brass Gate Valve ( Leader ,sant )

75/80mm dia GI Collar/ Coupler

75/80mm dia GI X-Nipple OR Nipple of suitable length

75/80mm dia Cast iron flange.

5/8 GI Nut bolts with Washers for the main Suction flange

Rubber Gasket for a 75mm Dia MS Suction Flange

GI Funnel/Cone of size 6"x 1 1/2 "

Providing & Fixing 25mmx5mm GI Strip on Surface or in recess for connections etc as reqd.

Supplying and fixing of 1 X 20 Watts Light Emitting Diode fitting on surface with connection etc as required. (Inside Pump room) (Make: CG/Bajaj/ Havells/ Simlr Supr)

Disconnection & dismantling of the Old floor mounted LT Panel of size approx (1.60Mts Ht x 1.30Mts width x 0.20Mts depth) , i/c disconnection of all incoming & outgoing Cables , control connections , clearing the space and keeping it aside at the earmarked location inside the Pump house etc complete as reqd.

Painting of 2 nos 12.50 HP Pumpset i/c rubbing and cleaning the rust from base channel and pump and applying 2 coats of rust proof enamel of approved shade followed by one coat of metal oxide primer, neat finishing etc as reqd