Source level augmentation of water supply scheme under section Berthin from Govind Sagar now Sukar Khad in Tehsil Jhandutta Distt Bilaspur

Amount

Schedule A1 - Civil Works Excavation in foundation for digging well in dry excavation from ground level up to the level , where well curb is placed with in all leads and lifts.

Wet well sinking in gravel including all pumping shoring, bailing out water etc.with in all leads and lifts etc.

From spring level to 3.00 metre depth

From spring level to 3.00 metre to 6.00 metre depth

From spring level to 6.00 metre to 9.00 metre depth

Steel work in single section including cutting, hoisting, fixing in position and applying a priming coat of red lead paint in RS joists channels angles tees in all leads and lifts.

Lowering of well curb complete in all respect

Providing and laying cement concrete 1 : 1.5 : 3 ( 1 cement : 1.5 sand : 3 graded stone aggregate 20mm nominal size) and curing complete excluding cost of form work and reinfocement for reinforced concrete work in :

Suspended floors, roofs, landing, shelves and their supports balconies, lintels, beams girders bresumers and cantilevers upto all floor two level .

Columns pillars & posts etc.

Providing and Laying no fine concrete 1:4( 1Cement : 4 stone aggregate) complete in all respect.

Providing form work with steel plates 3.15mm thick welded with angle iron 30x30x5mm so as to give a fair finish including centering shuttering strutting and propping etc. height of propping and centering below supporting floor to ceiling not exceeding 4mtrs. and removal of the same for in-situ reinforced concretre and plain concrete work in all leads and lifts.

Vertical surface such as walls(any thickness) partitions and the like including attached pillasters buttresses, plinth and string courses and the like

flat surfaces such as soffits of suspended floors,roofs, landings and the like in(a) floor etc. upto 200mm thickness.

Beams, cantilevers, girders, and Lintels, sides & sofits of beams, haunching, cantilevers, bressumers,1.00 metre in depth in all heights from floor.

Providing Tor steel reinforcement for RCC work i/c cutting , bending ,binding and placing in position complete upto floor two level as per direction and to the entire satisfaction of Engineer-in-charge upto all lead and lifts.

Squared rubble masonary coursed with hard stone of approved quality in foundation and plinth including racking out joints in cement mortar 1:4(1 cement :4 sand) in all leads and lifts.

In foundation and plinth

Above NSL/ GL

20mm cement plaster in single coat on rough side of brick/ concrete/ stone walls for interior plastering upto floor two levels including arrises internal rounded angles chamfers and / or rounded angles not exceeding 80mm in girth and finished even and smooth in cement mortar 1:4 (1cement: 4 sand) in all leads and lifts.

Providing and laying cement concrete 1: 3 : 6 ( 1 cement: 3 sand: 6 graded stone aggregate 40 mm nominal size )and curing complete excluding cost of form work in foundation and plinth as per direction of Engineer in charge.

Brick work using common burnt clay building bricks second class in foundation and plinth level in cement mortar 1:4(1cement:4sand) in all leads and lifts.

Providing and fixing CI manhole cover with frame having frame size of 500 mm internal dia (medium duty) .The weight of cover and frame should not be less than 116 kg. circular type 600mm dia in all leads and lifts.

Providing and fixing 200mm dia CI rungs with chequered or ribbed non slip surface i/c fixing in structure with 200x 200x 100 mm cement concrete 1:3:6 ( 1 cement: 3 sand: 6 graded stone aggregate 20 mm nominal size) with in all leads and lifts.

Stone/Boulder filling tightly hand packed under floor in all leads and lifts.

Main Balancing Reservior and Sector Reserviors:- Designing, Constructing, Testing & Commissioning (to be approved by the competent authority) RCC Circular under ground/partial under ground / over head storage reservoirs as per capacity given below at various stages/sites including excavation in foundation in all kinds of soil. including PCC (1:3:6) in foundation and M:30 design mix in bottom slab/raft walls and beams. and RCC (1:1.5:3) or as per design mix in roof slab/dome with provision of inspection path around the dome with all allied Civil Works such as C/o. chamber for valves, barbed wire fencing around the tanks, refilling and disposing of surplus excavated earth with in all leads and lifts. The job also includes providing lowering, laying, erecting, hoisting and jointing of pipe assembly for inlet, outlet, overflow, bends etc. and scour pipe with bye pass arrangement consisting of GI / MS pipes special and valves of required classes and dia and all other accessories required such as MS ladders inside and outside, CI cowl type ventilator, MS Manhole covers of 2 mm thick MS sheet of size 680 x 680 mm with proper locking arrangement, water level indicator. The tanks shall be hydraulically tested for water tightness, All works shall be conforming to relevant IS code. The cost of valves shall be included in the rates of tanks. complete in all respects to the entire satisfaction of the Engineer-in-charge. The contractor shall provide 6 sets of approved drawing and design to the department including cost of site development required as per site conditions. ( Refer Data sheet No. 1 for further details). i/c design, drawing & vetting complete in all respect.

Collection tank 50000 Litre capacity at Node No. 152

Sector storage tank 24800 Litre capacity at Node No. 355

Sector storage tank 24000 Litre capacity at Node No. 382

Sector storage tank 15000 Litre capacity at Node No.3

Sector storage Over Head Tank 10 Metre staging height 15000 Litre capacity at Node No. A

Sector storage Over Head Tank 10 Metre staging height 18400 Litre capacity at Node No. 19

Schedule A2 -Pumping Machinery and Electrical works Providing/Installation, erection, testing and commissioning of star rated energy efficient Mono Submersible pumping set of KSB/Calama/ Johnston/ Crompton/BS/ SABAR/ Oswal/ Kirloskar make conforming to latest relevant BIS Code . The pump should be fitted with bronze impeller or suitable alloys suitable for handling clear water having greased packed bearings and shaft with wound stator on motor side and with soft protection sleeve on pump side ensuring better life for shaft coupled to a submersible squirrel cage electric induction motor (water proof type) of required HP & RPM or as per manufacturer's specifications of reputed make confirming to BIS 9283-1979 latest with upto date amendments, totally dust and water proof for submersible duty isolated from the pump by intermediate casing with double mechanical seal in oil chamber and grease packed lubricated bearings and provided with stainless steel thrust bearing plate to with stand non vertical loads with minimum wear and tear. It should also be fitted with a device to take up expansion of water with the heating of motor. The pump set should include water level guards, erection clamps , cable clips, depth gauge NRV & Sluice valves of approved class etc. The work should be completed to the entire satisfaction of the Engineer-in – Charge. The rates shall be for complete Job to run the machinery in proper working. and should meet with the requirements. For detailed design parameters/ requirements are given in . Curve chart including design drawing and complete in all respect. It should include cost of bearing nuts, bolts and painting etc and should meet the following requirement including Pump sets (working + standby), All electrical equipments such as Starter, ICTP switches, MCB, Bush bar chamber, MCB, Panel board indicating lamps, Ammeter, Voltmeter, Hour run meter should be of electronic type , incoming and outgoing water proof cable for panel board, Double loop earthing, copper cable pressure gauge, capacitor, common header, sluice valve, NRV including erection and testing complete necessary piping for suction and common header and control valves alongwith electrical works including all taxes, insurance, transportation, freight charges, inspection charges, loading, unloading, conveyance to Departmental stores/ site, stacking, etc. including specials and wastage etc.; complete as per Tender Specifications and instruction of Engineer in charge. The HP are indicative. Since the re-survey and re-design of proposal/scheme is to be carried out by the lowest bidder, the design/drawings so approved by the competent authority after finalisation of design and drawings,any variation in HP and other accessories etc.The rate shall be worked out on prorata basis after approval of the competent authority and payment will be made accordingly. Curve chart including design drawing and complete in all respect.

Booster stage LWSS Baloh Balhi from P/Well No.1 :- 2 sets (1 working & 1 stand bye) (2.30 LPS each pump with Head of 28.78 Mtrs. - 2 set of 2 HP) (Refer Data Sheet No. 5 for further details)

Booster stage LWSS Baloh Balhi from P/Well No.2 :- 2 sets (1 working & 1 stand bye) (1.87 LPS each pump with Head of 21.96 Mtrs. - 2 set of 2 HP) (Refer Data Sheet No. 6 for further details)

Booster stage LWSS Tihra Badgoan from P/Well No.2 :- 2 sets (1 working & 1 stand bye) (2.33 LPS each pump with Head of 21.03 Mtrs. - 2 set of 2 HP) (Refer Data Sheet No. 7 for further details) NoteThe Total Head indicated above is at Main Balancing Reservoir (MBR). The Pumping Machinery is also supposed to cater for the requisite discharge at desire duty point . Necessary Make and Model of the pump with Characteristic Curves should accompany the technical bid of the bidder.

Schedule A3 - Rising Main ( Refer Data Sheet No 2 for further details) Excavation in foundation, trenches ( for pipes & pits) upto all depths in all classification of earth work such as pick work, jumper work, saturated soil including bailing and pumping out water, blasting soft/ hard rock or chieselling soft/hard rock where blasting is prohibited in all lifts including trimming and dressing of sides, leveling of beds to correct grade i/c shoring /strutting , planking, timbering & dewatering wherever required, stacking the useable & unuseable material /soil separately & after laying jointing & testing of pipes, returning the useable soil in trenches in 15 cm layers including consolidating of such deposoited layer by ramming & watering & then disposing of all surplus excavated soil /unusable material as directed with in all leads & lifts including restoration unmetalled surfaces to its original condition & including cost of diversion for traffic, night signals, fixing caution boards, crossing over trenches for access to houses, fencing etc. complete in all respects with in all leads & lifts as per directions of Engineer-in-charge.

Laying, jointing and testing in trenches of Galvanizing mild steel pipes including cost of flanged bends of all degrees conforming to IS:1239-2004 (Part-I) of following Grade / Class as per dimensions, weight and test pressure mentioned below in a random length of 5m - 7m, The M.S. flanges are to be provided 5% of total joints as per table 17 conforming to IS: 6392-1971 (latest upto date amendments) and welding of flanges with pipes as per IS: 816-1965 with a electrode as per IS: 814-1967 including required Nos. and size of M.S. nut and bolts as per IS: 1369-1967 and compressed asbestos fiber jointing gaskets sheet not less than 3mm thick as per IS: 2712-1965 & the welding of flanges to be done on both faces in three layers on each face to make the joints leak proof and to the entire satisfaction of the Engineer-in-charge. Providing circumferencial Butt Welded joints 95% of remaining joints considering minimum three layers by electrical arc welding GMS Pipes , welded in requisite number of weld runs so as to achieve the minimum effective throat thickness of weld conforming to IS 816 -1969 specifications, by using welding electrodes of 2.50 mm to 6.30 mm of Advani Oerlikon (Adove) - CITOJET / ESAB make, conforming to IS 814-1991 at site of work complete in all respects including Die Pentration Test & manual / mechanical handling of pipes in all leads and lifts to the entire satisfaction of Engineer-in-Charge. The pipe shall have zinc coating as per IS:4736 in factory latest with upto date ammendements.The laying of pipes should be conformed to IS: 5822-1994. (Earth work in trenches to be measured and paid for separately)

BOOSTER STAGE (LWSS Baloh Balhi from P-Well No.1) G.I.Pipe 65 mm dia (H.C) with wall thickness 4.50 mm RD 0/0 to RD 25 with flange Table 17

BOOSTER STAGE (LWSS Baloh Balhi from P-Well No.2) G.I.Pipe 65 mm dia (H.C) with wall thickness 4.50 mm RD 0/0 to RD 210 with flange Table 17

BOOSTER STAGE (LWSS Tihra Badgoan from P-Well No.2) G.I.Pipe 65 mm dia (H.C) with wall thickness 4.50 mm RD 0/0 to RD 190 with flange Table 17

Excavation in foundations and trenches etc.(for pipes and pits in all depths etc. in all kind of soils such as pick work,,jumper workblasting in soft/hard rock, chiselling/wedging out of rock where blasting prohibited) saturated soil stacking the excavated earth within all leads and lifts clear from the edge of excavation and then returing the stacked soil in 15cm layers when required into plinths sides of foundation and trenches etc. consolidating each deposited layer by ramming and watering and then disposing of all surplus excavated earth as directed by Engineer-in-charge with in all leads and liftsincluding uprooting of trees, dressing of beds and sides and preparation of sub grade,restoration of unmetalled/metalled/ paved surfaces to its original conditions including soring,strutting,timbering and dewatering where ever required providing diversions for traffic,fixing night signals, fixing caution boards, crossing over trenches for access to houses complete and to the entire satisfaction of the Engineer-in charge. Pick Jumper Work

Laying, jointing and testing in trenches of Galvanizing mild steel flanged pipes including cost of flanged bends of all degrees conforming to IS:1239-2004 (Part-I) of following Grade / Class as per dimensions, weight and test pressure mentioned below in a random length of 5m - 7m, The M.S. flanges are to be provided 5% of total joints as per table below conforming to IS: 6392-1971 (latest upto date amendments) and welding of flanges with pipes as per IS: 816-1965 with a electrode as per IS: 814-1967 including required Nos. and size of M.S. nut and bolts as per IS: 1369-1967 and compressed asbestos fiber jointing gaskets sheet not less than 3mm thick as per IS: 2712-1965 & the welding of flanges to be done on both faces in three layers on each face to make the joints leak proof and to the entire satisfaction of the Engineer-in-charge. Providing circumferencial Butt Welded joints 95% of remaining joints considering minimum three layers by electrical arc welding GMS Pipes , welded in requisite number of weld runs so as to achieve the minimum effective throat thickness of weld conforming to IS 816 -1969 specifications, by using welding electrodes of 2.50 mm to 6.30 mm of Advani Oerlikon (Adove) - CITOJET / ESAB make, conforming to IS 814-1991 at site of work complete in all respects including Die Pentration Test & manual / mechanical handling of pipes in all leads and lifts to the entire satisfaction of Engineer-in-Charge. The pipe shall have zinc coating as per IS:4736 in factory latest with upto date ammendements.The laying of pipes should be conformed to IS: 5822-1994. (Earth work in trenches to be measured and paid for separately)

GMS pipe 80 mm dia Medium Class of wall thickness 4.80 mm with flange table 5

Laying, jointing in trenches and testing galvanised mild steel tubes of light class as per IS:1239-1990 (Part-I) , screwed and socketted complete with tube fittings such as bends,tees, air valves collars etc. as per direction and to the entire satisfaction of Engineer in Charge.

50 mm Light class

65 mm Light class

80 mm Light Class

Providing and fixing double flanged cast iron sluice valve of following dia and class as per IS:14846 (PN-1.00) Leader/Kirloskar make including MS flange of Table-5 as per IS: 6392-1971 with welding of MS flanges in requisite ( three) layer on both faces including carriage complete in all respect with in all leads and lifts and to the entire satisfaction of Engineer in charge.

Schedule A 5- Distribution System( Refer Data Sheet No 4 for further details. Excavation in foundations and trenches etc.(for pipes and pits in all depths etc. in all kind of soils such as pick work,,jumper workblasting in soft/hard rock, chiselling/wedging out of rock where blasting prohibited) saturated soil stacking the excavated earth within all leads and lifts clear from the edge of excavation and then returing the stacked soil in 15cm layers when required into sides of foundation and trenches etc. consolidating each deposited layer by ramming and watering and then disposing of all surplus excavated earth as directed by Engineer-in-charge with in all leads and lifts including uprooting of trees, dressing of beds and sides and preparation of sub grade, including providing diversions for traffic,fixing night signals, fixing caution boards, crossing over trenches for access to houses complete and to the entire satisfaction of the Engineer-in charge. Pick Jumper Work

Laying, jointing in trenches and testing galvanised mild steel tubes of light class as per IS:1239-1990 (Part-I) , screwed and socketted complete with tube fittings such as bends,tees, air valves collars etc. as per direction and to the entire satisfaction of Engineer in Charge.

Providing and fixing of following dia Gun Metal wheel valve as per IS:778 CL- 1 screwed of superior quality with in all leads and lifts including carriage of material and to the entire satisfaction of the Engineer in Charge.

MS Kamal Dev Sharma

Vijay Kumar

Dogra Construction Company Pvt Ltd

sanjeev kumar

Vinay Kumar

malkiat singh govt cont

Sanjeev Kumar