repair and renovation of diversion weir on Tirthan Nallah for water supply at Trout Fish Farm Hamni Distt Kullu HP

Amount

Excavation in foundation trenches etc in earth work in all kinds of soil including saturated soil comprising of pick work, pick jumper work, jumper work , jumper blasting work, chiseling / wedging out of rocks (where blasting is prohibited) including pumping or bailing out water upto all lifts, stacking the excavated soil and then returning the stacked soil in 15 cm (fifteen centimetres) layers when required in to plinth side of foundation etcetra consolidating each deposited layer by ramming and watering and then disposing of all surplus excavated earth as directed by the Engineer-In -Charge, including river training works and carriage of materials , within all leads and lifts and other incidentals as per direction of Engineer-in-Charge .Any loss to the public and private property during the course of execution and disposal of unserviceable materials shall be absolute responsibility of the contractor which shall have to be duly compensated by the contractor to full extent in all respects in all cases as per direction of the Engineer-in-charge.

Excavation in earth work in all kinds of soil including saturated soil comprising of pick work, pick jumper work, jumper work , jumper blasting work, chiseling / wedging out of rocks (where blasting is prohibited) including pumping or bailing out water upto all lifts and filling in 15 cm. ( fifteen centimetre) layers in foundation and plinths including ramming, watering and consolidating upto all leads and lifts and other incidentals as per direction of Engineer-in-Charge .Any loss to the public and private property during the course of execution and disposal of unserviceable materials shall be absolute responsibility of the contractor which shall have to be duly compensated by the contractor to full extent in all respects in all cases as per direction of the Engineer-in-charge.

Filling with granular material including ramming, consolidating and dressing complete including river training works, dewatering and carriage of materials , within all leads and lifts as per direction of Engineer-in-Charge and other incidentals.

Providing form work with steel plates 3.15mm (three point one five millimetres)thickness welded with angle iron frames, 30 x 30 x5 mm (Thirty into thirty into five millimetres) so as to give a fair finish including centring, shuttering strutting and propping etcetra with wooden battens and ballies for all hight of propping and centring below supporting floor to ceiling and removal of the same for insitu reinforced concrete and plain concrete work in vertical surfaces such as walls (any thickness) partitions and the like including attached pillasters buttresses, plinth and string courses and the like,dewatering and carriage of materials , with in all leads and lifts as directed by the Engineer-in-charge.

Providing and laying mechanically mixed and vibrated cement concrete 1:3:6 (one cement isto three sand isto six graded stone aggregate forty millimetre nominal size) and curing complete excluding cost of centring and shuttering in: Foundation and plinth including river training works, dewatering and carriage of materials , within all leads and lifts as per direction of Engineer-in-Charge and other incidentals.

Providing and laying mechanically mixed and vibrated cement concrete work 1:2:4 (one cement isto two sand isto four graded stone aggregate twenty millimetre nominal size) to obtain the minimum compressive strength of grade M-20 (M- twenty) and curing complete excluding cost of form work and reinforcement for reinforced concrete work in : foundation and plinth including river training works, dewatering and carriage of materials , within all leads and lifts as per direction of Engineer-in-Charge and other incidentals. (Note : concrete to be filled in existing cavity portion in the sloping glacis of diversion weir, involving under water placing of concrete)

Providing and laying mechanically mixed and vibrated cement concrete work 1:1.5:3 ( one cement isto one decimal five zero sand isto three graded stone aggregate 20mm (twenty millimetres ) nominal size) to obtain the minimum compressive strength of grade M-25 (M- twenty five) and curing complete excluding cost of form work and reinforcement for reinforced concrete work in wall(any thickness but not less than 0.1 m {zero decimal one metre } thickness) attached pillasters, buttresses, plinth and string courses etcetra from top of foundation level up to all heights including dewatering,river training works and carriage of material with in all leads and lifts as directed by the Engineer-in-Charge and other incidentals.

Providing and laying mechanically mixed and vibrated cement concrete work (design mix) to obtain the minimum compressive strength of grade M-60 (M- sixty) and curing complete excluding cost of form work and reinforcement for reinforced concrete work in foundation and plinths including dewatering,river training works and carriage of material with in all leads and lifts as directed by the Engineer-in-Charge and other incidentals. (Note : concrete to be filled in existing cavity portion in the sloping glacis of diversion weir, involving under water placing of concrete)

Providing mild steel/tor steel reinforcement for reinforced RCC work including cutting, bending, binding, cost of binding wire and placing in position complete upto all heights . Tor steel including dewatering,river training works and carriage of material with in all leads and lifts in all heights as directed by the Engineer-in-Chargeand other incidentals.

Drilling 32 mm ( thirty two millimetre ) Dia drill holes and anchoring 20 mm ( twenty millimetre ) Dia bars using RE 500 anchorage chemical, exlcuding the cost of 20 mm ( twenty millimetre ) Dia bars, in natural nallah/river bed in the cavity portion, upto desired depth as directed by the Engineer-in-Charge and other incidentals.

Supply, Fabrication, Erection at site complete in all respect, trash rack comprising of trash bars, spacers, framing channel, embedded parts, etc. - Steel work bolted in built up sections,including cutting ,hoisting ,fixing in position and applying a priming coat of red lead paint :In gratings framed guard bars, ladders, railling, brackets and similar works such as trash rack as per drawing and specifications including dewatering, river training works and carriage of material with in all leads and lifts in all heights as directed by the Engineer-in-Charge and other incidentals.

Providing and making Gabion structure with Mechanically Woven Double Twisted Hexagonal Shaped Wire Mesh Gabion Boxes as per IS 1604:2012,MORTH Clause 2500 of required size,Mesh type 10x12(D=100mm with tolerance of(+/-)2%,Zinc + PVC coated Mesh wire diameter 2.7/3/7mm, mechanically edged/seivedged with partitions at every 1m interval and shall have minimum 10 numbers of openings per meter of mesh perpendicular to twist,tying with lacing wire of diameter 2.2/3.2mm (ID/OD),supplied @3% by wright of Gabion boxes,filled with boulders with least dimension of 200mm ( two hundred millimetre),as per drawing,all complete as per directions of Engineer-in-chargeincluding dewatering, river training works and carriage of material with in all leads and lifts in all heights as directed by the Engineer-in-Charge and other incidentals. .

Supply and laying in position of 500 mm ( five hundred millimetre) Dia. MS Pipe as per approved design, drawing and specification including cutting welding testing, painting etc. including cost and carriage of all materials from the source to the site of work.in all leads and lifts in all heights as directed by the Engineer-in-Charge and other incidentals. ..

One set of fixed wheel gate, suitable for a clear vent opening of size [1.0 m (w) x 1.22 m (d)], designed with water head (approx. 6 m head) upto HFL level in the khad, consisting of skin plate, main horizontal girders, vertical stiffeners, end vertical girders, wheel assemblies with bearings, wheel axles / pins etc., rubber seals for sides, and bottom of gates, seal clamp plates, seal fixing bolts with nuts and washers, side guide arrangement, lifting attachment, ballast (if required) etc., complete in all respects, alongwith its embedded parts and hoist supporting structures to support the hoists and hoisting arrangement i.e. manually operated screw hoists of adequate capacity with all mechanical and components such as drive units, brake, worm gear, hand operation arrangements, screw with supports, gate position indicator, and other appurtenances, complete in all respects.

One set of fixed wheel gate, suitable for a clear vent opening of size [0.8 m (w) x 1.0 m (d)], designed with water head (approx. 1 m head), consisting of skin plate, main horizontal girders, vertical stiffeners, end vertical girders, wheel assemblies with bearings, wheel axles / pins etc., rubber seals for sides, and bottom of gates, seal clamp plates, seal fixing bolts with nuts and washers, side guide arrangement, lifting attachment, ballast (if required) etc., complete in all respects, alongwith its embedded parts and hoist supporting structures to support the hoists and hoisting arrangement i.e. manually operated screw hoists of adequate capacity with all mechanical and components such as drive units, brake, worm gear, hand operation arrangements, screw with supports, gate position indicator, and other appurtenances, complete in all respects.

Supply and laying in position one number of gate valve of dia 500 mm ( five hundred millimetre) complete with all accessories, embedded parts and anchorages required for filling valve, consisting of anchors, bolts complete in all respects including carriage upto site of work with in all leads and lifts as directed by the Engineer-in-Charge and other incidentals.

Temporary diversion of Tirthan River / Construction of Coffer Dam for temporary diversion of Tirthan River flows including carriage of required material upto site of work with in all leads and lifts as directed by the Engineer-in-Charge and other incidentals.

VISHWA NATH SHARMA