66071

==== PAGE 1 ====

1.5 x 3.6m Rooflight Lounge Dining Boiler wc Hall Snug Kitchen Gym / Multi Use Room Pantry vestibule Shower Garage cinema room RWP and trapped gully RWP and trapped gully RWP and trapped gully RWP and trapped gully 1.2 x 1.2m Rooflight New IC New IC r/e r/e Furfix or similar approved wall starter brackets. Provide vertical DPC in accordance with manufacturers details Furfix or similar approved wall starter brackets. Provide vertical DPC in accordance with manufacturers details Exist'g IC Exist'g IC New 110mm dia surface water drainage connection to existing inspection chamber New 110mm dia surface water drainage connection A A SVP SVP 89mm CLS timber stud partition wall with 12.5mm thick plasterboard and skim either side. 75mm thick mineral fibre insulation quilt between studs New 110mm dia foul water drainage connection to existing inspection chamber New IC 100mm thick dense concrete block partition wall with smooth plaster finish either side existing wall to be lined with 12.5mm thick plasterboard on adhesive dabs New 110mm dia surface water drainage connection to existing inspection chamber (TBC) remove existing door and window units and close up openings with dense concrete blockwork remove existing door units and break out existing masonry pier. Provide temporary support before installing new IG or similar approved galv steel lintel over opening. Install new aluminium framed sliding folding doorset to prepared opening shelf 1.2 x 1.2m Rooflight roof joist span RSJ trimmer to SE design on new concrete padstones RSJ trimmer to SE design on new concrete padstones Family Room Aluminium framed double glazed sliding folding doorset Painted rough cast render finish to match existing dwelling pc concrete once weathered coping bedded on DPC White PVCu rainwater hopper and 64mm dia pipe Code 4 lead lined drainage shute to hopper Double glazed roof lantern on insulated timber kerb min 150mm above finished roof level. Double glazed roof lantern on insulated timber kerb min 150mm above finished roof level. Code 4 lead upstand flashing chased into existing wall and wedged Code 4 lead back valley gutter formed at abutment with existing rosemary tiled roof Aluminium framed double glazed sliding folding doorset pc concrete once weathered coping bedded on DPC Double glazed roof lantern on insulated timber kerb min 150mm above finished roof level. White PVCu rainwater hopper and 64mm dia pipe Code 4 lead lined drainage shute to hopper Code 4 lead back valley gutter formed at abutment with existing rosemary tiled roof Painted rough cast render finish to match existing dwelling pc concrete once weathered coping bedded on DPC Double glazed roof lantern on insulated timber kerb min 150mm above finished roof level. wall to step down at abutment to form covered walkway PVCu double glazed window unit on pc conc cill bedded on DPC White PVCu rainwater hopper and 64mm dia pipe Code 4 lead lined drainage shute to hopper Painted rough cast render finish to match existing dwelling PVCu double glazed door unit outline of existing garage block Kitchen Pantry Shower Polyroof 185 GRP finish on 18mm thick METSA grade plywood decking over 120mm Kingspan thermaroof TR24 or similar approved flat roofing insulation to achieve min 0.18W/m2K U-Value on 1000gauge visqueen vapour barrier on 12.5mm thick plywood roof deck over treated s/w firrings cut to form required falls on 225 x 50mm treated s/w flat roof joists at max 600mm c/cs. Form opening for roof lantern with 2No trimmer joists either side. 12.5mm thick foil backed plasterboard with skim finish Sand cement render finish to match existing on 100mm thick dense concrete blockwork outer leaf , 50mm clear cavity, 75mm thick KINGSPAN K108 partial fill cavity insulation boards retained with proprietary clips over S/S wall ties, 100mm thick dense concrete blockwork inner leaf min 7kN compressive strength with 3mm skim and 12.5mm thick plasterboard lining internally. Wall to have elemental U-value not greater than 0.25W/m2k. Wall ties to be fixed at maximum 750mm c/cs horizontal and 450mm vertically, wall ties to be double up around any openings PC concrete once weathered coping bedded on DPC Double glazed roof lantern on insulated timber kerb min 150mm above finished roof level. 1200x30x5mm galv. steel lateral restraint straps to be provided at max 1800mm c/cs Code 4 lead upstand flashing chased into existing wall and wedged 100mm thick C20 concrete floor slab on 100mm thick KINGSPAN TF70 floor insulation boards on 1200 gauge visqueen DPM on 50mm thick sand blinding on min 150mm thick well consolidated hardcore fill. 25mm thick strip of insulation to be dressed up face of wall at slab perimeter to prevent cold bridging. U-value to be no greater than 0.22W/m2k DPC level min 150mm above external finished ground level Weak mix cavity fill to within 225mm of external ground level min600x225 C20 concrete strip foundation min 600mm below finished external ground level or level with existing foundations to main dwelling Cavity weeps to be provided at 900mm c/cs max below DPC level Void to be filled with mineral fibre insulation quilt Aluminium framed double glazed sliding folding doorset rs rs rs rs rs rs rs rs rs concrete slabs on 50mm sand blinding RSJ trimmer to SE design on new concrete padstones IG L1S/100 steel insulated lintels with tray DPC over. Tray to have preformed stop ends and weeps at max 450mm c/cs 12.5mm thick fb plasterboard ceiling 1200x30x5mm galv. steel lateral restraint straps to be provided at max 1800mm c/cs 89mm CLS timber stud partition wall with 12.5mm thick plasterboard and skim either side. 75mm thick mineral fibre insulation quilt between studs 100mm thick dense concrete block partition wall with smooth plaster finish either side DPC DPC min600x225 C20 concrete strip foundation min 600mm below finished external ground level or level with existing foundations to main dwelling Code 4 lead back valley gutter formed at abutment with existing rosemary tiled roof FLAT ROOF Polyroof 185 GRP finish on 18mm thick METSA grade plywood decking over 120mm Kingspan thermaroof TR24 or similar approved flat roofing insulation to achieve min 0.18W/m2K U-Value on 1000gauge visqueen vapour barrier on 12.5mm thick plywood roof deck over treated s/w firrings cut to form 1:60 falls on 225 x 50mm treated s/w flat roof joists at max 600mm c/cs. 12.5mm thick foil backed plasterboard with skim finish NEW CAVITY WALLS Sand cement render finish to match existing dwelling on 100mm thick dense concrete blockwork outer leaf , 50mm clear cavity, 75mm thick KINGSPAN K108 partial fill cavity insulation boards retained with proprietary clips over S/S wall ties, 100mm thick dense concrete blockwork inner leaf min 7kN compressive strength with 3mm skim and 12.5mm thick plasterboard lining internally. Wall to have elemental U-value not greater than 0.25W/m2k. Wall ties to be fixed at maximum 750mm c/cs horizontal and 450mm vertically, wall ties to be double up around any openings GROUND FLOOR 100mm thick C20 concrete floor slab, slab to be reinforced locally with A142 mesh where passing over existing drainage routes on 100mm thick KINGSPAN TF70 floor insulation boards on 1200 gauge visqueen DPM on 50mm thick sand blinding on min 150mm thick well consolidated hardcore fill. 25mm thick strip of insulation to be dressed up face of wall at slab perimeter to prevent cold bridging. U-value to be no greater than 0.22W/m2k FOUNDATIONS Contractor to form inspection pit adjacent to existing wall to verify width and depth of existing foundations. Contractor to notify Local Building Control Officer once inspection pit is complete. Contractor to inform client and Building Control Officer if he has any queries regarding foundation design. Foundation to be 600x225mm concrete strip foundation min 600mm below finished external ground level. LINTELS IG or similar approved galv. steel insulated lintels over cavity wall openings with tray dpc over.Min 150mm end bearing to all lintels. Where heavy duty lintels with addition base plates are used additional strip of insulation to be fixed to underside of lintel prior to applying finish over to prevent cold bridging. EXTERNAL DRAINAGE 100mm dia pvc pipework laid at min 1:100 fall to surface water drain and min 1:80 fall to foul water drain. provide rigid sleeve around pipework where passing through external walls to prevent vermin entry. New inspection chambers to be osma or similar approved preformed polyethalene chambers upto 1000mm deep, class B engineering brickwork chambers on 150mm thick reinforced concrete haunching to chambers deeper than 1000mm GULLIES All new gullies to be roddable INTERNAL DRAINAGE New drainage connections to existing s+v stack from shower, whb and bath to be min 40mm dia pipe with min 75mm deep seal trap, wc to have 100mm dia pipe with min 50mm trap seal. WINDOWS New PVCu double glazed window and door units with U-value min of 2.0W/m2k to match existing Windows to be fitted on pc concrete cills to match existing bedded on DPC. All windows to new habitable rooms to be fitted with min 8000mm2 trickle vents, all other windows to have min 4000mm2 vents. All new openings to have min 25mm check reveal for severe weather exposure. SAFETY GLAZING Glazing less than 800mm above finished floor level in windows, 1500mm above finished floor level in doors and within 300mm to side of doors to be fitted with safety glass to bs 6206. safety glazing to be included for all internal glazed doors and side frames. HEATING Provide and install new radiators to proposed Extension. Radiators to be linked to existing heating system and fitted with thermostatic valve sets. ELECTRICAL INSTALLATION New electrical installation work to be carried out by suitably qualified electrician & in accordance with the requirements of Approved Document P New light fittings to be energy efficient in accordance with Domestic Building Services Compliance Guide. MECHANICAL VENTILATION Provide mechanical ventilation to Utility and bathroom to provide min 30ltr & 15ltrs / second extract rate respectively. Kitchen to be vented via over hob extractor to provide min 30ltr/sec extract rate. Construction Notes DRAWING No.: CADREF: PROJECT: DRAWING: SCALE: CLIENT: REV. DATE: AMENDMENT DATE Rev. STATUS: DRAWING No.: CADREF: PROJECT: DRAWING: SCALE: CLIENT: REV. DATE: AMENDMENT DATE Rev. STATUS: Mr M L Robson Proposed Alterations and Extension to The Garth, Quarterbridge Road, Douglas Isle of Man Floor Plans & Elevations as Proposed PLANNING as shown Nov 2021 MLR_PL_01 J:\DRAWINGS\Mark Robson\Planning scheme 01.dwg Part Rear Elevation 1:100 Part Side Elevation 1:100 Part Ground Floor Plan 1:50 Part Side Elevation 1:100 Section A - A 1:50