Repair/Maint and cleaning of sewage Installation including pipeline, motor and pumps at Military Station Abohar

Amount

Priodical maint of equalizing tank of size 4.7 meter dia and up to 10 meter deep of sewage water tank and removing /cleaning of tank by scrapping with wire brush or any other means of walls and bottom of tank and removing the sludge /silt/sand/fungus etc deposited inside the sumps /tanks with buckets and depositing where directed , including removing media of settel down and making good the patches on walls internally or externally in cement mortar 1:3 where rquired and followed by cleaning with bleaching water solution and fresh water and finally applying one coat of snow cem on internal and external surface including writing the date of cleaning in white colour on black , background on external walls complete all as specified and directed by Engr-in-charge.Note : Contractor will be responsible for all safety precaution of worker.

All as per Item No. 1 but cleaning of Screen chamber 1 and 2 of size 5.20 meter x 3.10 metr x 1.8 meter of sewage treatment plant complete all as specified and directed

All as per Item No. 1 but cleaning of MBBR-Tank of size 6.3 meter dia and up to 7 meter deep of sewage treatment plant complete all as specified and directed

All as per Item No. 1 but cleaning of treated water tank of size 30 mtr x 15 mtr x 3 meter of sewage treated water tank of sewage treatment plant complete all as specified and directed

All as per Item No. 1 but cleaning of clarifier tank of size 8 mtr dia and up to 5 mtr deep with chemical cantact tank of sewage treatment plant complete all as specified and directed

All as per Item No. 1 but cleaning of thicker tank of sewage treatment plant complete all as specified and directed

All as per Item No. 1 but cleaning of sludge tank of size 2.1 mtr dia and up to 3 mtr deep of sewage treatment plant complete all as specified and directed

Replacement of old unserviceable air difuser product tubular and non buoyant design, installed in aeration tank for evenly distributed five bubbles aeration. The perforation/slit size on the membrance surface 1.0 mm and 2.0 mm depending on air through put the pipe acraters suitable for intermittent operation of air flow within 3 to 8 NM3/h aerator and penctration of waste water in to the distribution header not to be permitted and replacement of entire twin difuser assembly to be retireved.Size of air difuser 63 mm dia x 100 mm long set silicon based membrane with antimicrobial coating PP support tube of 5 mm thick non bouyant design all as specified and directed.

Replacement of tube seteler media for secondary clairfier by using UV stablized PVC raw material colour black of size 120 x44 mm as per existing hight and requirement of site complete all as specified and as directed.

M&L for servicing and overhauling of existing DMF(Daul media filter) filters of size 3 meter dia and 3 mtr length and welding nad inner outer painting complete including disconnecting of old existing pipe connections and removal of old existing filter media (gravel, sand etc.) one by one, washing media, removing sludge and all foreign materials. Setting aside usefull media for reuse and connecting new pipe lines of required size and length and replacement of nozells of existing size and lenth as per requirement complete all as specified and as directed.

Repair/ replacement of broken parts of air compressor machines i.e fan belt, bearing, impeller, oiling greasing and complete over hauling of compressor including two coat of enameled painting on compressor and motors, Structure and pipe lines complete all as specified and as directed.

M & L disconnecting electric connections,dismantling,taking up centrifugal pumping set capacity 20 HP from existing foundation,transporation to workshop for repair, and back to installation after repairing and welding,brazing,facing grinding, turning repairing/replacement of defective parts,re-assemblying andfixing to its original position and testing pumping set complete all as specified.

Supply only following spare parts of centrifugal pump set 20 HP

(a) SS Impeller

(b) Brass bushs

(c ) Stainless steel shaft

(d) Ball bearing as per existing size and make

(e) Gland plate as per existing size

M & L for lifting , taking out , dismantling and strip opening of worn out / defective electric motor of 20 HP/, 3 phase , 415 volts, taking out burnt startor winding , servicing cleaning of startor slots , bearing bushes etc. rewinding of startor coils with superior quality of copper enamel wire of existing size and specification including insulation material , varnisihing and drying complete reassembleing , testing installed and connected at original location complete all as specified and directed by Engr-in-charge. Note : transporation, lifting, change of U/S nut bolts and necessary concrete work shall be included in thequated rate.

Supply and fix inreplacement of sluice valve ( Brass spindle) flanged type of class PN 1.6 complete of size 100 mm dia complete with iron wheel, nuts, bolts and washer incl rubber/fiber flanged joints etc. complete all as specified.

Repair/ replacement of Butterfly valve PN 1.6 flanged complete of size 100 mm dia complete all as specified and as directed.

M&L for Cleaning of sludge,soil,dirt from sludge drying bed removing the sludge/soil to a distance not less than 50 mtr and not exceeding 100 m from the sludge drying tank . Making dry the side wall, removal of all mud, grass, bushes alongwith and removing/staking the sameto out side incl scraping the wall surface with wire brush,cleaning the wall with fresh water complete all as specified and as directed . Note: Plastering ,PCC work , and painting,white wash will be measured and paid separetely.

S & F HDPE pipe ISI mark 110 mm dia pressure rating 6 Kgf/cm² including fitting complete all as specified and directed.

M&L for repair/maint of scrapper mechanism of clarifier tank with replacement of bearing,shaft coupling, mechanical seal, oiling ,greasing including complete over hauling of motor and Gear mechenism including painting etc complete all as specified and as directed.

M& L for taking down rotary pump set of sludge sump tank and rewinding the motor ,change of shaft coupling, bearings, mechenical seal, oiling and greasing including complete over hauling of pump and painting and after repair refixing the same in the existing position connection etc complete all as specified and as directed.

M & L for lifting , taking out , dismantling and strip opening of worn out / defective non clog submersible electric motor of 5 HP/7.5 HP, 3 phase , 415 volts, taking out burnt startor winding , servicing cleaning of startor slots , bearing bushes etc. rewinding of startor coils with superior quality of copper enamel wire of existing size and specification including insulation material , varnisihing and drying complete reassembleing , testing installed and connected at original location complete all as specified and directed by Engr-in-charge. Note : transporation, lifting, change of U/S nut bolts and necessary concrete work shall be included in thequated rate.

All as per srl Item No. 21 here in before, but 15 HP complete all as specified and directed by Engr-in-charge

S & F Non clog submersible sewage pump 10 HP, model no. 11000 CW 4PL, delivery 100 mm, rated speed, 1440 rpm , head 14 meter, discharge 2570 LPM, 440 voltage, protection IP 68 etc. complete all as specified and directed by Engr-in-charge.

Disconnecting electric connection dismantling / taking up electric motor 3 phase, 440 volts, 50 Hz of capacity 3 HP from existing foundation coupled with reduction gear removing to workshop for repair , dismantling/opening for required repair work including rewinding the motor with and including copper winding wire of existing gauge and weight and replacement of stainless shaft , ball bearing of motors and redution gear ( 02 nos), key rubber shaft coupling ,impeller, varnishing reassembling and replacement of reduction gear parts as per requirement and bringing back to installation and making functional after refixing on existing foundation , testing on full load and commissioning complete all as specified and directed by Engr-in-charge.Make of winding wireshall be ATLAS/Devi dayal/ BPL

M&L for joints, bend, Tee, elbow sockets,spigot etc suitable for ductile pipe of size 100,150,complete all as specified and as directed.

S & F as in replacement Submersible cable of size 6 Sqmm complete all motors of sewage treatment plant and sewage pump house, complete all as specified and directed by Engr-in-charge.

collection of sample of sewage treated water from sewage treatment plant and testing it through Govt approved laboratory for testing the ph, COD(mg/l) TSS (mg/l) oil and grease (mg/l) & coliform MPN/100 ml complete all as specified and directed by Engr-in-charge.

S & F oil seal suitable for non clog submersible pump of capacity 5/7.5 HP complete all as specified and directed.

S & F oil seal suitable for non clog submersible pump of capacity 10 HP complete all as specified and directed.

S & F oil seal suitable for non clog submersible pump of capacity 15 HP complete all as specified and directed.

Cleaning of underground sewage treated water Sump at Bn-I, Bn-II and Bn-III , 175 MH and 89 Bde by means of dewatering the water, desliting and removing the muddy water and sludge from the tank,incl existing stacked soil held near the tank and remove out side to defance land from the Sump with the help of machinary as reqired . Making dry the side wall and bottom, cleaning the walls & bottom with fresh water incl removing grass,bushes & branches of plants(installation) complete cleaning of Sewage sump using man power as required.Minor repair like plastering is involved in this work, including epoxy coated paint complete all as specified and as directed.

M & L for desludging of silt/sludge deposited at the bottom of sludge sump well of sewage collection tank at sewage pump house no .1 ,2 & 3 Appx 10 meter deep and 7.5 meter breadth including removal of weeds, bushes & vegetation inside the tank after dewatering all as psecified and directed. Note : dewatering of tank shall be carried out by the contractor through gravity pumping to a certain level / extent with availavel source at site . the balance shall be pump out / drained out by the contractor at his own arrangement along with silt by means for which the cost is deemed to be included in the unit rate quoted without damaging the surface, floor, walls of storage tank.

Excavation in trenches, not exceeding 1.5 mtr wide and not exceeding 1.5 mtr in depth for foundations or laying cables/pipes etc. and getting out in soft/loose soil all as specified and directed by Engr-in-charge.

Returning, filling in including spreading leveling, watering and well ramming in layers of Soft/loose soil not exceeding 25 cm thick complete all as specifiedand directed by Engr-in-charge.

Removal of excavated material to a distance not exc 50 mtr and depositing where directed at level not exc 1.5 mtr above the starting point complete all as specified and directed.by Engr-in-charge

Supply and fixing cast iron pipes 100 mm dia with flanged ends, centrifugally cast class "A" in any length laid in trenches, complete all as specified and directed by Engr-in-charge.

Supply and fixing cast iron pipes 80 mm dia with flanged ends, centrifugally cast class "A" in any length laid in trenches, complete all as specified and directed by Engr-in-charge.

Taking down GI pipe Medium Grade of size 15mm to 50 mm complete all as specified and directed by engr-in-charge

S & F 15 mm bore medium grade steel tubes galvanized with all fittings and laid in trenches all as specified and directed by Engr-in-charge.

S & F 20 mm bore medium grade steel tubes galvanized with all fittings and laid in trenches all as specified and directed by Engr-in-charge.

S & F 50 mm bore medium grade steel tubes galvanized with all fittings and laid in trenches all as specified and directed by Engr-in-charge.

S & F in replacement of gun metal, globe or gate valve with iron wheel head secrewed both ends for iron pipes 50 mm bore as in repairs complete all as specified and directed by Engr-in-charge.

S & F in replacement of gun metal, globe or gate valve with iron wheel head secrewed both ends for iron pipes 20 mm bore as in repairs complete all as specified and directed by Engr-in-charge.

S & F in replacement of gun metal, globe or gate valve with iron wheel head secrewed both ends for iron pipes 15 mm bore as in repairs complete all as specified and directed by Engr-in-charge.

S & F Star delta Starter 3 Phase 415 Volts for 15 HP Non clog motor complete all as specified and directed by Engr-in-charge

S & F DOL Starter 3 Phase 415 Volts for 5 HP/ 7.5 HP Non clog motor complete all as specified and directed by Engr-in-charge

S & F DOL Starter Single Phase 415 Volts for 1.5 HP/ 2 HP motor complete all as specified and directed by Engr-in-charge

N.R.Builders