Upgradation of Executive Engineer PW(RandB) Divison Office, Khour at Chak Malal. (Under Non-Plan 2026-27. (Ist Call)

Complete Job Complete Job including supply, providing, fabrication and erection of pre-fab structure in all aspects

Super Structure Super Structure Technical Specifications : i) Details of Structural Members. The steel structure for the shelters will be designed for the Designed Parameters. All structural steel will be ISI marked. The main columns, verandah rafters, trusses, purlins etc. will be made out of steel sections, MS plates, MS bolts / nuts. Wall Panels:- All walls shall be made of GI metal skin PUF panels using PPGI Sheets with PUF thickness of 50 mm. The PUF insulation material in the panel shall have fire retarding and self-extinguishing properties. Approval of colour of panels will be taken from Engineer-in-charge prior to supply at site. Other details of wall panels are as follows: - (a) All material required for the manufacture of shelter shall be new and shall comply with relevant Bureau of Indian Standard Specification. The tolerance in the panel thickness can only be on the plus side. The pre-coated GI sheet skin should have min. coating of 4.5-micron epoxy primer and 25micron polyester top coat on the finished surface and 7-8-micron primer Alkyd Backer on backside, which is bounded to the polyurethane foam. PUF Panel Joining arrangement: The PUF panels shall have Tongue and groove type of joint formed on line on the forming machine integrated with PUF panel manufacture machine. The PUF Wall Panels will be of Make: LLYOD/MODERN PREFAB/JINDAL/ACME/BNAL/ACE PREFAB or Equivalent as approved by Engineer-in-Charge. The Bottom track will be fixed to the concrete platform at plinth level by suitable fasteners. One track shall be provided at the top of the panel.

Wall Panels GI metal skin PUF panels, PPGI sheets, 50 mm PUF, fire-retarding/self-extinguishing; tongue & groove joints; approved makes

Plinth Beams & Foundation a) PLinth-Beams: will be laid in RCC of size 0.300mmx0.300mm with 06 no.s 12mm dia. steel reinforcement bars tied using 8mm dia. Steel reinforcement bars @ 6" c/c in 1:1.5:3 mix over foundation of depth 2', Width of 2'3" & 1'6" of 10" thickness each over lean Conc. of 1:4:8 of 4" including providing, fixing, cost of centering , shuttering etc. complete job including plaster paint, putty etc as per design / drawing or as per direction of Engineer-in - Charge.

Columns (a) Columns: - Required numbers of main columns of SHS 100x100x4mm and ht.3.0m av. long column size. Each column shall have Base MS plate of size 250 x 250mmx 10mm thick with 04 Nos hole of dia 18mm for fixing of 16mm dia 300mm long foundation bolts with nuts for fixing with RCC Beam foundation & top gusset plate of size 250 x 250mmx10 mm thick with 04 Nos hole of dia 16 mm dia for fixing with truss by using 10mm dia bolt and nut 100mm long. The columns will be provided along shorter span of the structure at an equal interval c/c as per drg. The columns will be painted with 01 coat of red oxide primer Make: - TATA/SAIL/RINL/JINDAL or Equivalent as per the Directions of EIC

Trusses/Rafters/Purlins Trusses/Rafter and Purlins: Required numbers of Trusses made up of size SHS 100x100X3mm thick,75x75x3mm for top rafter & bottom resp. ,vertical & diagonals of 50x50x3 mm . The purlins made up of size SHS 50X50X3 mm thick will be provided at spacing as per the Directions of EIC. Each rafter/purlin shall be welded at both ends with 6.0 mm thick MS plate cleat with suitable drilled holes to enable joint with each other using Roof Plane bracing of 25x25x3 mm angle & Gusset plate 6mm thick with suitable Nut & Bolt. The purlins and Trusses / Rafter will be painted with 01 coat of red oxide primer and Black Paint Make: - TATA/SAIL/RINL/JINDAL or Equivalent as per the Directions of EIC (8) (a) Roof : - The roof shall be in slope 1:4 approximately. The roofing shall be done with Pre-coated, pre-coloured, profiled sheet 0.50 mm thickness. These profile sheets are laid over a frame work of trusses, columns and purlins fixed using self-tapping screw with bitumen washers/washers (Roofing must be fully water-proof). Make: - TATA/SAIL/RINL/JINDAL or Equivalent as per the Directions of EIC (b) Ridge. Ridge shall be provided with 600mm wide and 0.50mm thick pre-coated, pre coloured plain sheet fixed with self-tapping screws. Make :- TATA/SAIL/RINL/JINDAL or Equivalent as per the Directions of EIC

Roof The roof shall be in slope 1:4 approximately. The roofing shall be done with Pre-coated, pre-coloured, profiled sheet 0.50 mm thickness. These profile sheets are laid over a frame work of trusses, columns and purlins fixed using self-tapping screw with bitumen washers/washers (Roofing must be fully water-proof). Make: - TATA/SAIL/RINL/JINDAL or Equivalent as per the Directions of EIC

Ridge Ridge shall be provided with 600mm wide and 0.50mm thick pre-coated, pre coloured plain sheet fixed with self-tapping screws. Make :- TATA/SAIL/RINL/JINDAL or Equivalent as per the Directions of EIC

Roof Projection Roof Projection. The Roof shall have minimum projection of 0.45m from the eaves wall and 0.30m from the gable walls. Purlins will also be provided on the roof at the eaves and at gable roof extension.

False Ceiling PVC laminated colour Gypsum false ceiling panel size 595 x 595 mm x 8 mm thick with water proofing film on back side along with powder coated aluminium snap grid framework with suitable ‘T’ and ‘L’ section. The false ceiling panels are placed onto a suspended grid frame of size 600 x 600 mm made of Aluminium ‘L’ & ‘T’ sections of 0.60mm conforming to IS. The false ceiling grid is suspended from the roof framework with the help of galvanized wire of 3.0mm dia./ Galvanized steel rods MAKE: SAINT GOBAIN (GYPROC) or Equivalent as per the Directions of EIC.