Domestic project - Weyhill Two storey extension Building control drawings

1. Scale 1:25
0 1000 2000500 1500 2500
+49.402
LOW LEVEL BOXING
SVP
W1
D3
Hall
Bedroom 1
Wardrobe
W2
W3
Chimney fire place and flue
to be designed and
manufactured by specialist
ED2
ED1
FFL +50.000
FFL +49.402
W4
D2En-suite
D4
UP
3731
980
LOWLEVELBOXING
1980
1000
1700
3084
2793
UP
2182
4185
1283
1210
Insulated cavity closers to be used at
all openings and fitted to
manufacturers instructions.
LINEOFRIDGE
OUTLINEOFDORMERCEILING
OUTLINEOFDORMERCEILING
SVP
FFL +52.050
W6
Bed room
En-suite
Landing
Cupboard
D6
Bedroom
Hall
Cupboard
+52.591
1000 x 900mm SHOWER
TRAY TO CLIENT'S
SPECIFICATION
D7
Outline of Dormer
Window over
Void
OutlineofDormerceilingover
1756
982
2851
2390
3537
1207
875
1024
UP
UP
1150
1348
3410
+51.993
+50.000
+52.591
D5
D8
457
457
D9
UP
W7
Esc.
W8
Esp.
2 No. 100x100mm
steel posts
140.03 Flue Liner
Chimney stack to be built of masonry blocks below roof line and brick above. 150mm dia pumice
flue liners with rebated joints to BS1181. Combustion air provide by ducting from the loft space to
the room sealed appliance. No roof timbers within 50mm of stack.
Lead Flashings to roof / chimney junction.
Prior to to commissioning, the flue shall be checked for obstruction by testing by means of
coring ball, smoke test or sweeping.
140.04 Flue Outlet
Flue outlet to be 600mm above ridge of roof.
140.05 Air Supply
Ventilation of Room a to be achieved by permanently open air vents with a total equivalent
140.06 Notice Plate
A robust, and indelibly marked Notice Plate, conveying a. The location of the Hearth and
Fireplace, b the category of flue, c the type and size of flue, and manufacturers name, and d.
the manufacturers name should be securley fixed an unobtrusive but obvious position such as
next to a electricity consumer unit, or water supply stop cock.
140.07 CO Alarm
A Carbon Monoxide Alarm complying with BS EN 50291:2001 to be provided in the same room as
the appliance on the ceiling at least 300mm from any wall, or if fixed to a wall, as high as possible,
but not within 150mm of the ceiling, and between 1m - 3m measured horizontally from the
appliance.
150.00 VENTILATION
150.01 GENERAL
Whole dwelling ventilation rates to exceed 29l/s. and not less than 0.3l/s per m2 of internal floor
area
150.02 Back ground Ventilation
Ventilation provided by continuous mechanical extractor fans installed as high as practicable,
preferably less than than 400mm from ceiling level and vented to the outside from Kitchen, Utility
Room, Bathroom and sanitary accommodation, to meet BS EN 1314-6 Clause 4, and should be
quiet in operation not exceeding 30dB lAeg T in noise sensitive rooms, such as Bedrooms and
Living Rooms, and to be lower than 35 dB Aeg T in Kitchen and Bathrooms.
Higher extract rates to meet or exceed
Kitchen 13 l/s
Utility Room 8l/s
Bathroom 8l/s
Sanitary accommodation 6l/s
Whole dwelling ventilation rates to meet or exceed 29l/s
Controls should be set up to operate without occupant intervention, but may consist of either
manual or automatic controls to select boost rates. Manual controls to be accessible, and
provided locally for the space being served.
Cooker hoods should be 650mm - 750mm above the hob surface.
150.03 Purge Ventilation
All other habitable Rooms to use purge ventilation, via openable doors and windows, allowing 4
air changes per hour directly to the outside.
THIS DRAWING IS COPYRIGHT AND MUST
NOT BE REPRODUCED WITHOUT PRIOR
CONSENT. FIGURED DIMENSIONS TO BE
USED ONLY. DO NOT SCALE. SITE
DIMENSIONS TO BE CHECKED / VERIFIED
BEFORE WORK IS COMMENCED.
NOTES:
As proposed - First floor plan
As proposed - Ground floor plan
Domestic project - Weyhill
Two storey extension
Building control drawings