Structural Remedial Works to Agricultural Shed

Description

Structural remedial works to agricultural shed. Removal of defective structural steelwork with new gable construction. Lot 1: Plant & Equipment Contractor to carry out structural remedial works in association with AR Structural Design Ltd - proposed gable end remedial drawing. Include for all necessary temporary works: include for the design and installaiton of safe working platforms for all work at height; design and install all necessary temporary structural supports during the work; include for protection to existing building fabric to prevent damage to retained structure and fabric; include for all temporary electrical works to isolate, make safe and later reinstate electrical fittings and fixtures; 1.02 Temporary works Allow for all downtakings arising from the works; remove all redundant timber, steel, blockwork and concrete structures and waste material off site to registered recycling facility; NOTE: RSPB require copies of waste transfer notices for all materials taken from site before payment is released for the works. NOTE: carefully remove and protect existing sliding steel doors and York cladding boards only from west gable and retain on site for later re-use. 1.03 General downtakings 1.04 Protect and retain steel doors 1.05 Protect and retain York cladding boards Qty Unit Rate GBR/p Supply and install all new 'galvanised steel' channels, plates, sections, lintels, ties, fixtures and fittings as well as all new blockwork and foundation all as required in accordance with AR Structural Design Ltd's drawing. Treat all cut ends of steelwork with Galvaloy or similar corrosion prevention treatment. Any queries in relation to the repair methodology must be full explored during the tender period to enable a fully developed price to be submitted. 1.06 New structural remedial works Include for descaling all other retained steel portal frame sections, remove all loose and flaking rust with needle gun, scrape and sand back to sound material, clean off dust and degrease prior to decoration. 1.07 Descale existing steel portal frames Thoroughly prepare and redecorate all existing corroded steel frames: apply once full coat of rust inhibiter; one coat primer; and two full top coats of external quality metal paint. 1.08 Decorate existing portal frame sections item 1.09 Decorate existing door frame sections item Allow for the supply and installation of new galvanised steel, sliding door rail system to suit reuse of existing steel doors; fixed to new gable in accordance with manufacturers recommendations; reinstate existing steel doors on completion. 1.10 Install sliding door rail 1.11 Reinstate existing doors Allow a sum to re-use retained York cladding boards on adjacent livestock shed to be installed on west facing gable end to 'close' existing gaps on timber cladding and improve weather protection to shed; cut to suit and fixed to existing boards and cladding rails. 1.12 Install retained cladding boards to adjacent shed Please see attachments for additional info and direct any queries to Allan.robertson@rspb.org.uk