Fabrication Supply and Erection of modified Spillway Stop Log Radial gate Sill Beams Supply erection of Steel liner grade IS 2062 E450A BR and repairing of Spillway Glacis Apron with HPC of bay 1 2 at Dam of Parbati III Power Station

Amount

Making temporary bund at spillway no.1 & 2 using sand bags

Dewatering of seepage water by electrical dewatering pumps including installation, erection, and shifting of pumps and pipes etc

Providing and laying High Performance Concrete M65/A20 as per technical specifications, proper compaction, curing including the cost of all materials (including silica fume & superplasticizer), carriages, staging scaffolding and labour etc complete finished item within all leads and lifts

Demolition/Chipping RCC Work by mechanical mean and stockpiling at designated locations and disposal of dismantled material upto a lead of 1 kilometre stacking serviciable and unserviceable material separately including cutting reinforcement bars.

Steel reinforcement for RCC work including straightening, cutting, bending, placing in position and binding all complete above plinth level : Thermo-Mechanically Treated bars of grade Fe500D or more

Random Earth filling by excavating all kinds of soil from the surrounding area by mechanical means(Hydraulic excavator) / manual means including getting out the excavated soil, for making an embankment for diversion of river through diversion tunnel and for roads, flood banks, marginal banks, and guide banks etc., within a lead upto 50 m.

Drilling of 32 mm dia holes for 25 mm dia steel anchors and 500mm deep into old concrete by way of jack hammer or other suitable equipment

Steel reinforcement for RCC work including straightening, cutting, bending, placing in position and binding all complete above plinth level - 25 mm dia Tor steel anchors bent in shape for drilled holes of 32 mm. Thermo-Mechanically Treated bars of grade Fe500D or more

Providing and applying of Moisture insensitive epoxy to anchor dowel bar 25mm diameter & 500mm long Fe500 deformed steel bars, embedded in 32 mm diameter holes in the substrata or as shown in the drawings and shall be fixed in place including the cost of all materials, carriage, staging, scaffolding and labour etc. complete finished item and as per the directions of the Engineer-in-Charge. (Excluding cost of drilling and reinforcement)

Providing and applying two components epoxy resin bonding agent with medium viscosity complying with ASTM C-881 having coverage 2.50 sqm/kg

Centring and shuttering including strutting, propping etc and removal of form work for : Columns, piers, abutments, pillars, posts and struts.

Centring and shuttering including strutting, propping etc and removal of form work for : For retaining walls, return walls, walls (any thickness) including attached pilasters, buttresses plinth and string course, fillets, kerbs and steps etc.

Structural repair with Cementitious Mortar (including small cavities 10 to 50 mm deep) in one or two coats complies to or with EN 1504-3 (R4) with Performance Characteristic such as Compressive strength ≥ 45 MPa, Adhesive bond ≥ 2.0 MPa in the concrete of spillway pier walls, retaining wall of stilling basin and like surface ( Up to 4.50 m height from ground floor / ground level) etc complete; including Surface preparation of old concrete by cleaning methods like compressed air/high pressure water blast/sand balast, chipping, wire brush or other means for laying of repair mortar and for all stages and scaffolding as per technical specification as per direction of EIC.

Cement variation in concrete

Silica fume for concrete

Admixtures for concrete

Fabrication and Supply of 7.2 meter long modified stainless steel Sill Beam [(Forging/Plate ,C/S, AISI:420/20Cr13(H&T) for Spillway Radial Gate including 36mm dia threaded anchors with double nut, washers and 16 mm dia dowel bar and injection of chemical adhesives etc.(As per drawing no.NHPB-III/D/45/GA/02/00).

Fabrication and Supply of modified stainless steel Sill Beam [(Forging/Plate,C/S, AISl:420/20Cr13(H&T) for Stop Log Gate including 36mm dia threaded anchors with double nut , washers and 16 mm dia dowel bar and injection of chemical adhesives etc. (As per drawing no. NHPB-III/D/45/GA/03/00).

Removal of damaged Sill beam and Erection of modified Sill beam of radial gate including handling, assembling, final matching field welding etc complete in all respect (As per drawing no. NHPB-III/D/45/GA/02/00).

Removal of damaged Sill beam and Erection of modified Sill beam of Stoplog gate including handling, assembling, final matching field welding etc complete in all respect. (As per drawing no. NHPB-III/D/45/GA/03/00).

Providing, Fabrication and installation of 32 mm thick steel liner plate of grade IS 2062- E450A/BR in Spillway Glacis of Dam including rolling to the required radius as per drawing and welding with approved electrode having excellent mechanical properties for heavy joints under restraint and subjected to dynamic loading. (As per drawing no. NHPB-III/D/45/GA/01/00).

Providing M27 Grade 8.8 fully threaded Anchor minimum length 500 mm, including drilling of hole in 32 mm thick steel liner plate of grade IS 2062-E450A/BR and in HPC and fixing M27 grade 8.8 fully threaded Anchor minimum length 500 mm in hole with Epoxy adhesive having characteristics bond strength of 1O Mpa minimum etc, complete in all respect in spillway glacis. (The scope of work i.e. welding on M27 Grade 8.8 fully threaded Anchor and finishing the surface smoothly by grinding is covered in the item of 32 mm thick steel liner plate of grade IS 2062-E450A/BR. (As per drawing no. NHPB-III/D/45/GA/01/00). (01 set contains 788 nos anchor bolts )

Providing and fixing of 20 mm diameter grout plug with other hardwares complete in all respect. including (a) Drilling of hole in existing concrete or rock or like the surface, {b) Straightening, cutting, bending and placing in position of grout plug (c) Fixing with cement capsule / Cement grouting, etc all complete in spillway glacis. (As per Item No.-19 of drawing no-NHPB-III/ D/45 /GA/ 01/ 00), (01 set contains 136 nos grout plugs) Note: Providing and fixing of item no. 18 (20mm thick plate OD:70 mm, ID:20mm threaded) is covered in the item of 32 mm thick steel liner plate of grade IS 2062-E450A/BR.

Supply of sliding leaf/bumper spring track (left & right) for upstream stoplog of radial gate #2 from bottom to 3.3 meter (as per drawing no. OMIL/PHEP-III/SSLG/302)

Installation of sliding leaf/bumper spring track (left & right) for upstream stoplog of radial gate#2 from bottom to 3.3 meter (as per drawing no. OMIL/PHEP-III/SSLG/302)

Providing and fixing of 20 mm diameter grout plug with other hardwares complete in all respect. including (a) Drilling of hole in existing concrete or rock or like the surface, {b) Straightening, cutting, bending and placing in position of grout plug (c) Fixing with cement capsule / Cement grouting, etc all complete in spillway glacis. (As per Item No.-23 of drawing no-NHPB-III/D/45/GA/01/00), (01 set contains 46 nos grout plugs)

Providing and fixing Torque Controlled Expansion Countersunk Anchor (HSL-3-SK M12) including drilling of hole in 32 mm thick steel liner plate of grade IS 2062-E450 A/BR and M70/A20 HPC or like the surface, vertical wall or like the locations and providing Epoxy adhesive for grouting etc complete in all (As per drawing no NHPB-III/D/45/GA/01/00), (01 set contains 584 nos Counter sunk anchors)

Finishing with Epoxy paint (two or more coats) at all locations prepared and applied as per manufacturer’s specifications including appropriate priming coat,preparation of surface, etc. complete.on steel work

ALPHA PACIFIC SYSTEMS PVT. LTD.

STARCON INFRA PROJECT INDIA PRIVATE LIMITED