Responsibility Check List Sheet Item Description Responsibility Additional

Transcription

1 Responsibility Check List Sheet Item Description Responsibility Additional A B C Sketch Brief Layout for the position of the mezzanine. Advise whether requirement to remove intermediate columns to provide open plan facility. LAYOUT CAN ONLY BE CONFIRMED FOLLOWING RACKING LAYOUT. MEZZ TO SUIT RACKS. Slab test analysis for the suitability of the mezzanine Advise if additional base plates are to be sunken within office area Proj Man. Mezz Con. Information Advise if future mezzanine may be added. E Site survey To identify any queries problems etc. F Structural Mezzanine layout & building control approval (Generic access statement to be issued) Advise position of structural bracing G Designers/installation risk assessment H Budget quote confirmed I Advise if fire rated mezzanine floor required J Advise size of pallet gate if different from the Norm K Provide concrete base for external mezzanine staircase L Position of the loading notice signs 2No required & barrier rail notice every 3 rd panel. M Advise type of protective Guarding/Handrail Warehouse Sales Area N Provision of separate Fork Lift O Duration of installation P Temporary handrails, safety netting, lighting, power 7 skips Key: Proj man. Project Manager Mezz Con. Mezzanine Contractor Via STMC/JHA building control Mezzanine contractor to advise position and size. 1

2 This mezzanine floor is designed to all the relevant British Standards and also in conformity with the BRE Digest 437, which indicates the latest Government guidance on the construction and specification of mezzanine floors. LIVE LOAD PER TIER 7.2 KN/m² per square metre uniformly distributed load including 0.5 KN/m² suspended services load to deck support joists and decking 5.0 KN/m² per square metre uniformly distributed load plus 0.35 KN/m² dead load of structure to main beams, columns and base plates DEFLECTION LIMIT LENGTH WIDTH FLOOR AREA STANTION GRID CONSTRUCTION Secondary deck support steelwork designed to L/360 in lieu of lower British Standard of L/200 to ensure an adequately rigid and comfortable deck surface for staff to work and walk on long term T. B. A. by Project manager T. B. A. by Project Manager T. B. Confirmed As per plan provided by Project Manager. Project Manager to advise if open plan office arrangement is required Slimline for the narrowest section possible and the best rigidity at deck surface Standard construction is with galvanised steel floor joists cleated between the webs of universal beam main beams using special angle cleats. Rolled hollow section or universal column stanchions support the main beams with stability bracing struts where required, the positions of which will be agreed on survey Steelwork is to B.S Bracing to BRE Digest 437 BRACING BASEPLATES Advise whether strut bracing is to used to stabilise the structure and this tends to make for a more economical design. The positions of such braces needs to be determined at site survey stage to ensure they create little or no obstruction to the ground floor accommodation RAL 1003 Up to 300 x 300 x 20mm maximum allowed to impose maximum 100 to 110 KN directly onto surface RAL Project Manager to advise whether any additional base plates need to sunk into the ground other than behind the back of sales counter. 2

3 Elongated base plates will be required if concealed within the partitions. dry lined walls. BASEPLATE FIING Standard for countersunk anchors per plate COLUMNS Up to 100 x 100 x 5.0mm RHS maximum RAL 1003 HEIGHT FLOOR DEPTH CLEAR UNDERSIDE CLEAR HEADROOM DECKING MATERIAL 3200mm finished ground floor to mezzanine first floor deck 305MM overall supporting plus 38mm deck thickness) 2900mm maximum clear below main steelwork at ground floor 2700mm maximum clear below fire-rated cladding beneath mezzanine soffit, if required 38mm tongued and grooved high density particle board P5 grade Moisture resistant deck material in accordance with the Guidelines indicated in BRE Digest 437 as this is a warehouse unit. As required by the Project Manager if exposed to direct weather conditions via the roller shutter. In addition include for extending the durbar floor protection to theses areas. DECK FIING Beams/Stanchions - Ral 6005 where exposed. Floor Joists - Pre-galvanised Timber Decking - Natural Staircase Stringers - Powder coated in a range of standard colours Steel Stair Treads - ditto Ral mm contrasting high visibility strips Steel Handrail Stds - ditto Ral 1003 Handrails infill - ditto Ral 6005 Toeboards - ditto Ral 6005 HANDRAIL 1800mm high square steel posts at maximum 1250mm centres, inset with weld mesh steel framed panels as per Travis Perkins standard design in steel. Within the warehouse areas include for 1800mm high cargo netting to all exposed areas. Provision of safety notice sign 300 x 300mm to every 3 rd panel PLEASE DO NOT STACK AGAINST THIS BARRIER. 3

4 STAIRCASE Designed to Part M of Build Regulations Fully welded rolled hollow or flat steel plate steel stringers with nosed and lipped durbar steel plate treads and plain steel plate closed back risers. Treads 250mm going minimum, risers 170mm maximum Handrail posts stringer mounted with top and knee rail having 300mm extension head and foot, infilled with steel framed weld mesh panels to raking elevation each side. Tread edges with contrasting high-visibility strips. 1 no new dog-leg flight staircase 1200mm overall clear width, with 1 no quarter mid-landing tower Where the staircase is accessible to the public a fixed removable chain with a sign shall be fixed to the bottom of the stairs stating STAFF ONLY BEYOND THIS POINT size of the sign 300 x 300mm FIRE ESCAPE STAIRS Designed to Part K of Building Regs. (Generally external) Fully welded rolled hollow or flat steel plate steel stringers with nosed and lipped durbar steel plate treads and open back risers. Treads 250mm going minimum, risers 190mm maximum Handrail posts stringer mounted with top and knee rail 1 no new straight flight staircase 1000mm overall clear width, with 1 no top-landing tower fully galvanised with powdercoated finish To stand on suitable concrete base to be provided by main contractor LOADING GATE RISK ASSESSMENT Up and Over safety loading gate for 2400 x 1200 x 2600mm high pallet overall. Inclusion for Loading gate steel dubar plate full width of the opening and returned 300mm at the edge. Please note that the installation of a gate such as this will mandate the user to carry out a detailed Risk Assessment and analysis of Health & Safety issues to ensure that the proposed application is suitable and safe for their purposes. FORK LIFT TRUCK The provision of a forklift truck of a suitable capacity is required for off-loading and erection. 4

5 HARD FINISH To achieve one hour fire rating in the slimmest possible floor profile, if required to the structure and columns etc. The use of a directly screw fixed double layer of Fireline board This would be 25mm overall and would be attached directly to the mezzanine joist steelwork and boxed around any exposed downstands of the main beam webs and flanges The boards would be fixed with all staggered joints and also staggered between layers, left completely unfinished to accept a tape and fill and decoration finish by others, if required. Provide timber 15 x 100m softwood pencil round skirting to all wall junctions. Columns would be fitted with two piece clip-on ral 1003 Plastisol faced galvanised steel casements require no further decorative finishes Self colour mineral board 500mm fascia upstand would be constructed to all exposed perimeters of the stairwell and loading void only again for taping, finishing and decoration by others if required FIRE SYSTEMS In all cases even where the Building Inspector is prepared to relax the fire protection requirement the minimum standard of installation, (whether Class 0 is deemed necessary or not) will normally call for a full smoke detection system beneath the mezzanine floor and emergency lighting to stairwells, escape routes and large under floor areas BUILDING REGS Building Regulations Application will already be in train and dealt with wholly by the mezzanine contractor Final Approval is the responsibility of the client as various issues involved are outside the scope of the mezzanine application itself. These include fire and smoke detection, emergency lighting, means of escape in the event of fire, protected escape routes, maximum permissible travel distances, provision of signs and extinguishers etc For applications mezzanine contractor will provide within the tendered prices 4 no sets of the General Arrangement drawings and 2 no sets of the Structural Calculations and liasing direct for general plan approval. 5

6 SITE SAFETY Allowances for installers to work using safety harness and guide wires etc for safe working at high level. Mezzanine will be required to be provided with temporary edge protection inclusive of loading gate area if this has not been installed at the date of fit-out. Colour Schedule Description Travis Perkins City Plumbing Supplies CCF Keyline Columns RAL 1033 RAL 1023 BS 00 A 05 BS 00 A 05 Goosewing Grey Goosewing Grey Beams (where RAL 6005 RAL 5017 RAL 6024 RAL 5015 exposed) Handrail System. Inc. kick plate etc. RAL 6005 RAL 5017 RAL 6024 RAL 5015 Infill sections to RAL 1033 RAL 1023 BS 00 A 05 BS 00 A 05 the handrail. Goosewing Grey Goosewing Grey Loading Gate RAL 1033 RAL 1023 RAL 1003 RAL 1003 Loading Gate RAL 6005 RAL 5017 RAL 6024 RAL 5015 Plate Stairs (handrail as above) RAL 6005 RAL 5017 RAL 6024 RAL