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Design & Specification


The shell shall be fabricated from tested quality steel duly welded, comprising of base frame, peripheral structure, self draining roof, one entry door and 03 nos. of windows. The eight corners shall be sufficiently strengthened to facilitate transportation, lifting and placing.

Base Frame

The base frame shall be made of pressed mild steel channel section. The main structural element shall be of 125 mm x 75 mm "I" beam and cross members shall be of 'C' channels section size 100 mm x 50 mm.

Side and End Walls

The side and end frame shall be made out of pressed sections of suitable profiles / Pillars of sufficient strength. Exterior wall shall be made up of 1.6mm MS specially corrugated sheet, whereas 9mm particle board would be used for interior walls. These steel sheets shall be treated for corrosion resistant. Panels shall be vertically corrugated. Sheets shall be continuously welded to top side and base structure so as to offer better strength to weight ratio. All gaps will be sealed at edges and at seam, bottom etc to prevent ingress of moisture.

Flooring Systems

On the bottom frame 18 mm thick Marine plywood shall be fixed by means of self tapping screw. PVC Vinyl flooring shall be fixed on the plywood sheet.


Self draining type roof shall be made out of 1.6mm thick M.S. Sheet, adequate roof bows are to be provided. Roof shall be adequately cambered for draining of rainwater. Interior paneling shall be done in 9mm particle board with adequate insulation.


Red oxide primer for Bunk House & chlorinated Rubber for final 2 coats.


50 mm thick Glass wool Insulation shall be used for walls and 75 mm thick insulation material to be provided for roof.

Inner Paneling

The interior shall be aesthetically finished so as to give custom built appearance with extremely high quality workmanship. All vertically and horizontal corners shall be neatly and smoothly finished with Aluminum sections. The Paneling of side walls and roof shall be of 9 mm thick decorative laminated board.

Main Entry Door

The size of the door shall be of 6' hight x 3 ' width. The door shall be of external opening type made out of the same material as wall panels with door closing unit. The construction of the door shall be double skin steel construction with 40 mm thick glass wool insulation. The peripheral edges of the door shall be sealed with double gaskets to make it waterproof & leak proof. The door interior shall be finished with same material matching with that of the bunk house interior. The door shall be provided with locking arrangement with separate handles on both sides of the door as required. Main door will be insulated and fitted with Godrej Mortise lock and power bolt.

Aluminum Windows

03 number of Aluminum powder coated windows, sliding type shall be provided, made of Aluminum section, 5 mm thick, clear vision glasses are to be fitted to it.

Electrical System

The Bunk House will be provided with electrical wiring suitable for 250 volt, 50 HZ single phase AC power supply. All electrical wiring shall be concealed. Bulk head and 2 nos. of tube lights shall be provided . Suitable copper cables shall be used for lighting circuits. The copper cables used will be of 3/1.9 cable for lighting circuits. ISI mark and concealed in PVC conduits insulated copper wire shall be used for wiring to be done in PVC conduit with small size distribution board with MCB protection and to separate with main supply.
  • 4 nos. of switch socket of 5/15 Amp & one no. of switch socket of 20 Amp with MCB (62 ampere TPN)
  • 2 tube lights (one to one opposite side)
  • two nos. of wall mounted fans
  • Main incoming junction box/ metal clad plug socket.
  • 2 nos. of telephone points.