Community Cafe, Shorts Road, Fair Oak

Works Package 1 - Groundworks and Substructure

Following removal of the former scout hut, level site to a base formation and overlay with 200mm Type 1 MoT Aggregate in well compacted layers

Excavate drainage runs for below ground rainwater pipework in positions shown on the drawings.

Excavate to form base formation for Polypipe 'Polystorm' geocellular crate soakaway / attenuation system - allow for 20m2 area and 0.8m depth maximum for the crate system, all crates to be wrapped in geotextile membrane before backfilling

Supply and fit flexible pipework from rigid plastic surface water ground sockets to crate soakaway system

Allow for the incorporation of 3No. plastic inspection chambers and lids to points of connection / pipe joints

Backfill excavations following inspection and sign off by Building Control Officer

Supply and install new screw piles to a nominal depth of 2m - all piles to be formed from CI/S steel ASTM A106 Grade C. Include for all extension pieces and connections, to be laser levelled to a tolerance of +/- 3mm

Supply and fit 100mm U-brackets for horizontal beams to the top of the screw piles, plates to be laser levelled to a tolerance of +/-3mm

Supply and fit perimeter steel ring beam formed from 254x102UB 28 sections (TBC). Include for all corner and intermediate joints, plates, welds. All steelwork to be supplied fully galvanised; any site work to be followed by local priming and treatment with zinc oxide paint.

Supply and fir new 225mm deep lattice floor joists at 400mm centres to be supported on steel ring beams. Product: Howick FRAMA 4200 or similar approved, subject to engineer's approval. Include for all beam to joist connections, lateral bracing to joists.

Overlay joists with combined damp-proof / gas membrane by Visqueen. Allow for membrane to be taken across perimeter ring beam prior to the construction of external walls and trimmed afterwards. Ensure joints to the membrane are fully lapped and taped with a suitable jointing tape.

Supply and fit new rigid foam insulation between joists, Celotex GA4000 cut and fitted carefully to avoid air gaps, include for sealing around service penetrations and the installation of a 20mm thick layer of Celotex TB4000 to the floor perimeter upstand.

Submission of tender

1. Tenders are to be sent via post, no later than 17.00 hours on Friday 22 April 2022. The email/envelope should be clearly labelled 'Private & Confidential, Tender for Community Café, Fair Oak' and should be addressed to:

Fair Oak and Horton Heath Parish Council c/o Trinity Rose Chartered Surveyors, Trinity House, 123 Winchester Road, Chandlers Ford, Hampshire SO53 2DR - Tel: 01962 880426

2. The submission must include 2 copies of the tender document and any associated designs. Electronic copies of the tender should also be sent to r.kirby@trinity-rose.co.uk marked 'Private and Confidential - Splash Pad'.

Please refer to full details on the full requirements of the tender submission