Total quantity or scope of tender
Key requirements
a. Trenewydd
Two barn roofs, one with 6 spans and one with 7 spans. Only the south facing
side of the roofs require to be reinforced (PV panels will not be added
elsewhere).
Augment existing 75x175 mm C24 purlins (4.6m span) with 50x175 mm C24
timber beam purlins.
b. Penysgwarn
Two buildings; Building 1 with 7 short/3 long spans, Building 2 with 7 short/1 long
spans. Only the south facing side of the roofs require to be reinforced (PV panels will not be added elsewhere).
Augment the longer span (6.0 m span) existing 75x200 mm C24 timber purlins with additional 75x200 mm C24 timber purlins.
Augment the shorter span (4.6m span) with 50x175 mm C24 timber purlins.
For both locations
Fitting options are;
(1) Gluing and screwing purlins together; screws should be installed
at 200mm centres, or
(2) Purlins can be bolted together with M12 bolts at 300mm staggered
centres.
It is highly recommended that a site visit to both locations is conducted
prior to tendering. Visits can be arranged via tenders@ynnibrorhian.cymru
The contractor must check all site dimensions for proposed structural elements, steel beams and/or columns.
Detailed structural calculations and design drawing are available on request for each location and are to be followed by the selected contractor.
Each bidder is to provide;
A quote for labour only to complete the work at both sites, and
A separate quote for labour, material handling equipment, all
materials and fittings to complete the work at both sites.
A quote for price, payment terms, lead time on materials and
availability of labour to do the work.
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