Refurbishment / up gradation / replacement of old damaged parts Supply, Fabrication, Erecting, Testing and Commissioning of existing Sluice Gates at Saida Kadal gate on existing structure for improving inlet outlet provisions for the conservation o

GATE STRUCTURAL DETAILS: As detailed in Annexure C

Dismantling of the old damaged parts of the gate, which would comprise dismantling of the concrete surface of the centre pillar and on the both sides for making necessary grooves for fastening of ISMC channel as per requirement. The job further includes dismantling of the damaged ISMC channels out from the Pillars on both sides. Post dismantling and after achieving the surface to work upon , dressing with Reinforced Cement Concrete for fixing of guide ways in a precise alignment for smooth operation of gates. The job involves shaping of cement with the sophisticated mechanical tools and instruments to achieve the desired. Necessary frame structure for the workmen to carry out the finishing process shall have to be provided by the firm. Shifting of retrieved material to Divisional store at Gupt Ganga shall be the responsibility of the firm and has to be ensured. All labours, tools/tackles and transportation charges are deemed to be inclusive in the scope of the work, besides any other works necessary for the completion of the job. as detailed in Annexure C

SLIDING/GUIDING MECHANISM OF GATES

A. GUIDE CHANNEL I. ISMC 150x75: i. No. of channels =04. ii. Height of each channel = 5.00 mtrs. iii. Wt of channel/ mtr = 16.80 kg Total Weight (4x5x16.80) =336 Kg as detailed in Annexure C

GATE STRUCTURAL DETAILS:

Mild Steel leaves of gates: 1. Dimensions of Gate = 2.16x2.40 m 2. Thickness of leaf plate = 08 mm. 3. No. of leaves = 2. 4. Moulded height = 2.4 mtrs. 5. Moulded width = 2.16 mtrs. 6. Wt. / sq.mtr of plate = 62.8 kg. Weight of each gate leaf (2x2.16x2.4x62.8) = 651.11 Kg Total =651 kg as detailed in Annexure C

Structural frame work of gate as detailed hereunder: 1. Size of each frame = 2.16x2.40 m 2. Material = ISMC 125 Mild steel 3. Verticals height= 2.4 mtrs 4. No. of vertical Post = 5 no. 5. Horizontals length = 2.16 mtrs 6. No. of Horizontals =5 no. 7. Wt. / mtr = 13.10 kg Total Weight (5x(2.16 +2.40)x13.10 =298.68 x 2= 597.36 Total =600 kgs as detailed in Annexure C

Rubber Sealing: -Bottom Rubber Sealing 20mm thick 150 mm width Side seal L type with steel strips to be fixed with galvanized bolts 12 meter for each gate x 2 no. for sealing purposes as detailed in Annexure C

Gangway, Monkey Ladder and Railing

Frame details. a. Beams for gangway= I Beam 250 1. Dimensions = 2no (8+1.50) =19 m 2. Total Weight =19 m @ 37.3 kg/mtr= 708.70 Kg b. Reinforcement for fixing of chequered plate 1. Material = ISMC 125x65 channel 2. Horizontal length =10 no x 1.25m 3. Total Weight 10no x (1.25m) @ 13.10 kg/meter= 163.75 Kg 4. Horizontal length =2 no x 8.00m Total weight=2x8.00x13.10 kg/mtr=209.60 kg c. chequered plate 6 mm 1. Material = MS plate 2. length =8x1.5no = 12 sqm 3. Total Weight 12 @ 47.1 kg/sqm = 564.20 Kg Grand Total=1646.25 kg say 1650 kg as detailed in Annexure C

Monkey Ladder: 1. Material for vertical posts = ISA 75 x75 x5 2. Size of each ladder = 0.6m x 5m 3. Vertical posts =2 x 6 4. Wt. / meter ISA 75 x75 x5 = 5.7 kg 5. Material for Horizontal posts = ISA 50 x50 x5 6. No. of steps = 3. 7. Number of Ladders= 2 no. 8. Wt. / mtr ISA 50 x50 x5 =3.8 kg Total Weight (2 x2 x 5.7 kg) +(0.6 x3 x2 x 3.8)= 13.68+22.80 =36.48 Kg) Total =40 kg as detailed in Annexure C

Railing details: 1. Railing Pipe Material = Pipe NB 40 Mild steel 3.2mm 2. No. of Horizontal lengths =7 mtr x 1.25 . 3. Length of railing Pipe = (3x7x1.25) = 26.25 4. Wt. / mtr of railing pipe =3.56 kg/m 5. Qty of railing pipe = 93.45 kgs 6. Railing posts = ISMC 75x40 channel 7. Vertical Post height=1.25 mtr. 8. No. of vertical Post = 18 no. 9. Wt. / mtr ISMC 75x40 =7.14 kg/m 10. Qty of posts= (18 no x 1.25) mtrs.=22.50 mts 11. Total weight=160.65 KG 12. Total Weight= 253.45 = 255 kgs as detailed in Annexure C

CGI ROOFING : P/F of 0.60mm thick, track deck Crill make or equivalent H.I rib profiled sheets high tensile SMP Galvalume steel along with Designing of truss and providing and fitting of ridges the job also includes providing and fitting of fasteners as detailed in Annexure C

As depicted in Technical specification in Annexure C Support for CGI ROOFING : Tentative details are as under: Long sige Horizontal support for truss ISA 40x40x6mm 6 nos of length 6.77m Weight / mtr = 3.5 Kg/m Total weight= 6x6.677x3.5 =142 Kgs Short sige Horizontal support for truss ISA 40x40x6mm 6 nos of length 6.77m+13.4m+20.11m+26.8m=67m Weight / mtr = 3.5 Kg/m Total weight= 67x3.5 =234.5 Kgs Gusset plates 0.02m x0.02m x6mm Area of each plate=0.04 Total no. of plates =80nos Weight /Sq. mtr = 62.8 Kg/sq.m Total weight=0.04x80x62.8=201 kgs Diagonals supports ISA 40x40x6mm 50 nos of length 0.31 m for providing rigidity to the structure Weight / mtr = 3.5 Kg/m Total weight= 50x0.31x3.5 =54.25 Kgs Vertical supports Square tube 100mmx100mmx6mm No. of posts =9 Height of each post =2.5m Weight / mtr = 16.98 Kg/m Total Weight=9x2.5x16.98=382kgs Horizontal supports for vertical columns Square tube 75mmx75mmx5mm No. of posts =12 length of each post =6.77m Weight / mtr = 10.3 Kg/m Total Weight=12x6.77x10.3=836.77kgs GRAND TOTAL weight=1850.52

Foundation Bolts 450mm long with 40mm Weight=3.85/m Total number=8 no. Total Weight= 30.8 Kg as detailed in Annexure C

Painting work: The job shall include Surface preparation shall include thorough cleaning and removal of all rust, scale, grease, and foreign material from the steel structure using manual or mechanical methods. • After surface preparation, the contractor shall apply two (2) coats of approved iron oxide primer paint on all exposed steel surfaces and two coats of epoxy/ metal paint • Painting shall only commence after the in-charge Engineer approval of surface preparation. • All tools, scaffolding, safety gear, and equipment required for access and execution shall be arranged and included in the scope. • Painting work shall be completed in all respects as detailed in Annexure C

This technical estimate includes the fabrication, and commissioning of a robust, multi-stage, open-type gearing transmission system. The system is designed for power transmission and speed reduction, integrating precision-machined EN-24 alloy steel gears, dynamically balanced shafts, self-lubricating gunmetal bearings, and a robust structural framework.

• Supply & Installation of main gear 750mm (thickness 100mm) made on EN-24 main shaft 80mm dia 600 long with gunmetal bushes on two sides • Supply & Installation of second gear 600mm dia (thickness 75mm) made of EN-24 with gear shift 65mm thick (300mm long) with gun metal bushes on two sides and pinion gear 150mm dia, 125mm long Supply & Installation of Third gear 450mm dia, 125mmlong. • Supply & Installation of third gear 450mm dla (thickness 60mm) made of EN-24 with gear shaft 65mm thick (300mm long) with gun metal bushes on two sides and pinion gear 150mm dia, 125mm long Supply & installation of Third gear 450mm dia, 125 mm long. • Supply & Installation of driving gear 100mm dia and 150mm long with gun metal bushes on two sides and having a gear shaft 50mm dia, 800mm long Supply & installation of This driving gear works on two on two sides and it comes with a locking system. • Gearing body plate 2 Nos. 12mm thick and has a width of 800mm and a height of 1400mm • MS bearing cup with gun metal bushes 50 mm id • M.S Bearing bracket with 150mm dia and 300 mm long with gun metal bushes100mm dia and 150mm long (M.S Bearing Bracket 4 Nos.) • Ms coupling 250 dia thick 35mm with 100mm colar 4 Nos. stud 25mm thick 100mm long 8 Nos. Operated by electrical system as well as manual power breaking system Installation, testing & Commissioning: The job includes wire Drums, Ropes etc. as per the site requirement Installation of mechanical, electrical, and control systems; wiring, testing, and commissioning of the entire system as detailed in Annexure C

The work shall include construction of ring bund during execution and dismantling of the same after successful commissioning as detailed in Annexure C