WHB TMV (43°) DHWS RETURN DHWS FLOW MCWS FLOW WHB TMV (43°) WHB WHB MCWS DHWS FLOW DHWS RETURN NRV IV IV IV IV IV IV IV IV IV IV IV IV EXTRACT EXTRACT...
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Notes
Water Services Pipework Insulation Pipe Size NB (mm)
Thickness (mm) of Mineral Wool DHW
MCWS
15
25
20
20
25
20
25
30
20
32
30
25
40
30
25
50
35
25
65
35
25
80
35
25
100
35
30
125
40
30
All insulation thickness should be taken to the closest pipe size.
Copper Pipework Support Distances Pipe Size NB Horizontal Run (m) (mm) 15 1.4
3
4
5
6
7
15Ø BCWS 15Ø DHWR 15Ø DHWR DTLL to serve Kitchenette A
35Ø BCWS 18Ø DHWR rises to above to serve bedrooms.
15Ø BCWS 15Ø DHWR 15Ø DHWR DTLL to serve Dis WC
35Ø BCWS 18Ø DHWR rises to above to serve bedrooms
42Ø BCWS 22Ø DHWR
Pipework relocated within undercroft to suit holes within steelwork at client request
35Ø BCWS 18Ø DHWR rises to above to serve bedrooms.
54Ø BCWS 28Ø DHWF 22Ø DHWR
35Ø BCWS 18Ø DHWR rises to above to serve bedrooms.
Vertical Run (mm) 2
22
1.4
2
28
1.7
2
35
1.7
2.7
42
2.0
2.7
54
2.0
2.7
67
2.0
2.7
76
2.4
3.5
108
2.7
3.5
35Ø BCWS 18Ø DHWR rises to above to serve bedrooms.
67Ø BCWS 54Ø DHWF 28Ø DHWR
1.
This drawing shall be read in conjunction with all other services, Architectural drawings, project specifications and contract documentation.
2.
1/4 turn isolating valves to be installed on all water consuming appliances.
3.
Drain off cocks are to be provided at L/L to ensure draining off.
4.
Infrared operated solenoid valves to be linked in all toilet blocks for proximity switching to prevent flooding.
5.
All water services to be trace heated in external locations.
6.
All pipework to run down IPS or be boxed in.
7.
Mixing valves shall be provided to all WHB connections. TMV's to be complete with integral strainer.
8.
All pipework to be insulated to B.S requirements.
9.
DHWR legs to have LSV's on each appliance.
10.
Hot water services within public areas to have a maximum surface temperature of no more than 41°C.
11.
Please note. Not all I.V's, DRV's and L.S.V's, etc are shown on this drawing.
12.
Domestic appliances to be fitted with appropriate WRAS approved non-return valves.
13.
Zip hyrdotap high capacity split system tap finish bright crome product code BC55200/125+.
14.
Cold water pipework services not to be installed above heating or HWS pipepork.
15.
Include for the chlorination of the water services in accordance with BS.6700.
16.
Include for all filling, flushing, draining down, venting and balancing in accordance with cibse commissioning code W - water distribution systems and code B - boilers.
17.
For main pipework sizes & valve arrangements refer to BCWS & HWS schematic drawings.
B
42Ø BCWS 22Ø DHWR 45
42
43
35Ø BCWS C 18Ø DHWR rises to above to serve bedrooms. D
AP
15Ø BCWS 15Ø DHWR 40 15Ø DHWR DTLL to serve WC
38
36
Bellows
E
SUPPLY
EXTRACT
44 EXTRACT
46
15Ø BCWS 15Ø DHWR 15Ø DHWR DTLL to serve WC
41
39
37
ELECTRIC HEATER INTAKE
INTAKE
G H 35Ø BCWS 18Ø DHWR rises to above to serve bedrooms.
DISCHARGE
F
35Ø BCWS 18Ø DHWR rises to above to serve bedrooms.
1
22Ø BCWS D.T.L.L 54Ø DHWF R.T.A 15Ø Cat 5 Water Supply to serve external tap.
22Ø BCWS D.T.L.L 35Ø BCWS 18Ø DHWR rises to above to serve bedrooms.
54Ø BCWS 54Ø DHWF 28Ø DHWR 15Ø Cat 5 35Ø BCWS 18Ø DHWR rises to above to serve bedrooms.
67Ø BCWS 54Ø DHWF 35Ø DHWR 15Ø Cat 5 35Ø BCWS 18Ø DHWR rises to above to serve bedrooms.
2
C3 C2
SS SS
04.10.17 02.05.17
Updated Inline with Clients Comments. Updated Inline with Clients Comments.
C1 P2
FR FR
28.11.16 27.04.16
Construction Issue Preliminary Issue
P1
FR
04.04.16
Preliminary Issue
project
Moxy Heathrow MCWS DHWS FLOW DHWS RETURN
WHB
title
WHB
WHB
Proposed Domestic Services Layout Ground Floor Sheet 1 of 3
WHB
scale DHWS RETURN
1:100 @ A1
date 14.10.2016
NRV IV
IV
IV
IV
IV
IV
IV
IV
IV
DHWS FLOW IV (43°) TMV
(43°) TMV
IV
MCWS FLOW IV
TYPICAL DISABLED TOILET MIXING VALVE DETAIL (NTS)
TYPICAL PIPEWORK ARRANGEMENT TO WHB'S SHOWING THERMOSTATIC MIXING VALVE (NTS)
Key Plan
drawing no. PA1064
M-201
rev. C3
