• Loading units
  • assigned for each oulet on each different type of appliance
  • number given to an appliances, relates to the period of time in use and frequency of use
  • all loading units (for hot and cold otlets) are added up to determine the pipe size required
• Design flow rate - flow rate from 'loading units' + 'continuous flows'
• Pipe diameter - depends on the type and number of appliances that are to be installaed
• Velocity - should not exceed 3 m/s (too noisy)

Loading units for different appliances

Outlet fitting	Design flow rate (l/s)	Minimum flow rate (l/s)	Loading units
WC cistern - dual or single flush	0.13	0.01	2
WC trough cistern	0.15	0.01	2
Wash basin - ½" size	0.15	0.01	1½ to 3
Spray tap or mixer	0.05	0.03	-
Bidet	0.20	0.01	1
Bath tap - ¾" size	0.30	0.20	10
Bath tap - 1" size	0.60	0.40	22
Shower head	0.20	0.10	3
Sink tap - ½" size	0.20	0.10	3
Sink tap - ¾" size	0.30	0.20	5
Washing machine - ½" size	0.20	0.15	3
Dishwasher - ½" size	0.15	0.10	3
Urinal flushing cistern	0.004	0.002	-

• Graph of loading units against flow rate - converts the total number of loading units to a design flow rate in litres/second
  
• Graph of flow rate and pipe size
  

---

UPPERPLUMBERS LTD Company Registration No. 28288282 42 Leamore Street London W6 0JZ +447898737837 www.upperplumbers.co.uk info@upperplumbers.co.uk

CONTRACT DATE _____________________________      

CONTRACT NO._______________________________

CONTRACT TO BEGIN __________________________

COMPLETION DATE ____________________________

Client's Details

CLIENT NAME______________________________

CLIENT's ADDRESS_____________________________________________________________________
____________________________________________________________________________________    

CLIENT's CITY & POST CODE ___________________________________________

CLIENT's HOME PHONE __________________ 

CLIENT's WORK PHONE___________________

PROJECT ADDRESS_____________________________________________________________________________
____________________________________________________________________________________         

PROJECT CITY & POST CODE _____________________________________________

Contractor's Details

CONTRACTOR's NAME _________________________

Contract Description

The undersigned plumbing contractor offers and agrees to furnish all labour and materials necessary to install indirect hot and cold water systems, vented heating system and build an Ensuite in Bedroom1 with a shower, washing basin and a radiator in and up on the premises located at _________________________________________________________________________________________ in the City of _____________________________________ County of ____________________________________ in accordance with the plans and specifications therefor bearing the signatures of the parties and attached hereto as of the date of the acceptance hereof, or, if no such plans and specifications are so attached, then, in accordance with the work to be performed as outlined with the space below.
Substantial commencement of the project shall be defined as contractors have access to the premises, construction work itself does.
Construction failure to substantially commence work, without lawful excuse, within twenty (20) days from the date specified above is a violation of the Contractor License Law.
If no otherwise specified herein, then the following plumbing fixtures and materials are to be furnished and installed to wit:

The above work to be performed subject to the terms and conditions herein contained for the consideration of: _____________________________________________Pounds (£12,593) payable as follows:

• £3000 before commencing the work
• £1500 when subcontractor's work is completed
• £4000 when the firs fix is completed
• And the balance when all of the work has been performed and materials installed, in accordance with the specification bid and contract:

— OR —

Any other terms, time given, and conditions of payment which the parties may agree upon and which same shall be in writing and attached hereto and which shall be considered as apart of this document. It is provided, however, in the event no other method of payment as agreed upon, the n any and all compensation for work performed hereunder shall be due and payable upon the completion of the work to be compensated for.

• REASONABLE VALUE: The term reasonable value as mentioned herein shall be defined as: the plumbing contractor's cost of labour, materials and business overhead plus a reasonable net profit on such total cost.
• EXTRA WORK: No extra or change-order work shall be required to be performed without pilot written authorization of the person contracting for the construction of the home improvement or swimming pool. Any change-order forms for changes or extra work shall be incorporated in, and become a part of the contract.
• ORDINANCES: All work shall be done in accordance with the laws and ordinances of the community in which such work is clone.
• COMMENCEMENT AND CONTINUANCE OF WORK: Because of the instability of costs of labour and materials, the contract price of this agreement is based upon the understanding that the plumbing contractor may commence work within 20 days from the date specified unless time limit is extended by mutual consent of all parties hereto in writing. It is also conditioned that the construction of the building will proceed in the usual manner without delay and as rapidly as similar buildings are usually constructed, and if there is any unusual delay in the construction of the building at any time during the progress of this agreement, then the plumbing contractor may, at his option, by notifying the acceptor in writing, claim reasonable additional compensation, which said additional compensation the other party or parties hereto agree to pay upon the completion of the herein projected work; or the plumbing contractor may be relieved from all obligations to commence or continue said work any further, as the case may be, and be entitled to recover the reasonable value of the work done, if any, without completion of this contract, as well as other damages resulting from the delay, and the plumbing contractor shall be in no way liable for any damages whatsoever by reason of his refusal to start or continue such said work.
• WORK STOPPAGES: If, after the work has been started, anything does occur that directly or indirectly prevents or otherwise delays the carrying on of the work as specified and over which the plumbing contractor has no control, the plumbing contractor shall immediately be entitled to and must be paid the full amount of the reasonable value of work that has been performed and material furnished as defined in paragraph 1, as well as other damages resulting from the delay.
• PROMPT PAYMENT: The plumbing contractor enters into this contract upon the distinct condition precedent that the other party or parties hereto promises that any and/or all payments herein provided shall be promptly made at the respective times and in the manner herein set forth and if any and/or all payments herein provided are not made at the respective times and in the manner herein stipulated, the plumbing contractor may, at his option, refuse to proceed further with his work and shall in no way be liable for any damages whatsoever by reason of such refusal. In the event that the plumbing contractor ceases work for the reason above stated, the price mentioned for the completed work shall be disregarded and payment in full for all work performed and all material furnished as well as any other damages resulting from the cessation of work will be immediately due and payable; the value of such work done and materials furnished shall be the reasonable value as defined in paragraph 1.
• SOLICITORS FEES: If suit or arbitration be brought by the plumbing contractor to enforce the terms of this contract, acceptor agrees to pay a sum to said plumbing contractor which the court may adjudge reasonable as solicitors fees and costs.
• PAYMENTS ON ACCOUNT: Any payment on account hereunder shall constitute an acceptance of the plumbing contractor's work for which such payment was made. Such acceptance shall be subject to approval of work by inspecting authorities.
• INTERESTS: overdue payments will due interest at the rate of 2% per month
• GUARANTEES: The plumbing contractor guarantees that all work provided for herein shall be done in a good and workmanlike manner. No guarantee is made however of any materials or fixtures after the same have been accepted. The plumbing contractor shall not be responsible for the costs of reinstalling fixtures or materials guaranteed by manufacturers.
• LOSS DURING CONSTRUCTION - JOB INSURANCE: The plumbing contractor shall not be held liable for any loss, damage or delay occasioned by fire, settling of building, strike or other causes beyond his reasonable control, and the acceptor and not the plumbing contractor shall during the progress of the work maintain full insurance on said work against such losses or damage and the policy shall cover all work incorporated in the building and all material for the same in or about the premises, and shall be made payable to the parties hereto as their interests may appear.
• CEMENT SLAB CONSTRUCTION: The acceptor on all cement slab construction work shall provide proper information for the guidance of the plumbing contractor in establishing the partition lines and floor levels. When partitions and floor levels are established by these parties they shall not be changed without due notice to the plumbing contractor. If ground work is started or any plumbing has been installed before such notice is given, any change from the original shall be charged for as an extra.
• REQUIREMENTS OF PUBLIC BODIES: Unless specifically included, work does not include any changes or alterations from the drawings or specifications which may be required by any public body, utility or inspector Contractor, at contractor's option, may alter specifications only so as to comply with requirements of Governmental Agencies having jurisdiction over same. Any alteration undertaken to further this end shall be treated as an extra.
• PROTECTION OF OWNER'S PROPERTY: Owner agrees to remove or protect any personal property, inside and out, but not limited to carpets, rugs, drapes, furniture, shrubs, plantings and personal property and plumbing contractor shall not be held responsible for damage or loss of said items.
• PERMISSIBLE DELAY: Plumbing contractor agrees to commence work and adhere to the schedule as indicated. However, the plumbing contractor will not be responsible for delays beyond his reasonable control or for any of the following: Failure of the issuance of all necessary building permits within a reasonable length of time; disbursement of funds into a joint control or escrow if that is contemplated in this agreement; acts of neglect or omission of Owner or Owner's employee or Owners agent; acts of God; stormy or inclement weather, strikes, lockouts, boycotts, or other labour union activities; extra work ordered by Owner, acts of public enemy, riots or civil commotion; inability to secure material through regular recognized channels; imposition of Government priority or allocation of materials; failure of Owner to make payments when due; or delays caused by inspection or changes ordered by the inspectors of authorized governmental bodies; or for acts of independent contractor, or holidays, or other causes beyond plumbing contractor's reasonable control.
• HAZARDOUS SUBSTANCES: Unless specifically called out in the contract, this contract does not contemplate the removal or disturbance of asbestos or other hazardous material. The owner warrants that no such material is present. In the event that such material is encountered, the contractor shall immediately stop work and a change order extra will be negotiated to cover the situation.
• ARBITRATION OF DISPUTES: If at any time, any controversy shall arise between plumbing contractor and Owner with respect to any matters in question arising out of, or relating to, this Agreement or the breach thereof, in which the parties do not promptly adjust and determine, said controversy shall be decided by arbitration administered by and in accordance with the Construction Industry Arbitration Rules of the UK Arbitration Association then obtaining unless the parties mutually agree otherwise. This agreement to arbitrate shall be specifically enforceable under the prevailing arbitration law. The award rendered by the arbitrators shall be final, and judgment may be entered upon it in any court having jurisdiction thereof.

Client's signature__________________________________________Date___________________201___

Contractor's signature_____________________________________Date___________________201___

Cold Water

1. Digging a trench 1m (between 750 -1350mm) deep
1.  Running PVC-U [BS 3505] Polyethylene Blue pipe just inside the property
2. Insulating, ducting and sealing it as we have a suspended floor and our pipe is closer than 750mm from the external wall
3. Connect to 22mm Copper tube [BS 2871:Part 1]using a compression fitting
4. Fixing a Drain valve [BS 2879-2] at 150mm from the floor on a rising main just above the stop valve
5. Cold water meter is fixed after the main drain cock
2. Screw Down Stop Valve [BS 1010] – immediately on the entry to the property
1.  15mm Tee off to the kitchen tap from the mains pipe to have a wholesome water point [Water Regulations Schedule 2 part 26]
2. Service valve [BS 6675] to service a kitchen tap
3. Run 22mm pipe to Utility room and brunch it into 4 pipes (all pipes run under the floor level thus peroration of the floor is required: lifting up the floor boards and notching the joists up to 25mm):
1. 15mm which goes to the loft to supply F&E tank and CWSC
2. 15mm to supply cold water for Belfast sink with a service valve
3. 15mm to supply washing machine with washing machine valve [Water Regulations Schedule 2 part 29]
4. 15mm to feed the Boiler with a service valve

1. 15mm supply pipe to the CWSC is insulated where it runs on the loft and connected to the Float Operated Valve [BS 1212:Part 2]via 15mm Tank Connector [Water Regulations Schedule 2 part 16]
1. Service valve is fixed on a Cold Feed pipe
2. The size of the cistern is 240 litres which is calculated: Number of bedrooms (3) times 80 litres per bedroom.
1. CWSC is seated on a water-resistant baseboard which is overlaps it by 150mm from each side and has min distance 150mm above the shower head for  flow-switch pump
2. 350mm minimum distance is provided for maintenance from the top of the CWSC
3. The cistern is insulated from all sides with 150mm thick glass fibre blanket except the bottom side, that is left to receive the heat from a room below
4. Water-level is adjusted so that it is 25mm below warning pipe
5. Drill a hole in a lid for a sealed sleeve for open vent pipe
6. Drill a hole in a lid for a screened air vent
7. Fitted with 22mm screened warning pipe assembly
8. Secure the cover with screws
3. Cold feed of HWSC
1. 22mm distributing pipe
2. connected through a 22mm Tank Connector at a night of 50mm from the bottom (higher than distributing pipe to outlets)
3. runs to airing cupboard to feed a Hot Water Cylinder only
4. Quarter Turn Lever Operated Service Valve before it enters the cylinder
5. insulated with 25mm thick insulation in the loft area
6. fix a drain cock on it to drain the Cylinder
4. 22mm distributing pipe:
1. insulated with 25mm thick insulation in the loft area
2. goes into the airing cupboard through the hole in the ceiling
3. The bottom of the cold-water cistern is lower than 900mm above the shower head. In order to provide adequate pressure it is connected to Twin Impeller Shower Pump
1.  Line strainer before it connects to the pump
2. 22mm service valve after the In-Line Strainer

1. 22mm pipe runs under the floor from the utility room into the kitchen and then through the wall (drilling is required and the pipe should be sleeved when passing the wall using 28mm copper offcuts) to the Master bathroom
1. Notching is required and is max 25mm notch in the joists
2. In the master bathroom it brunches to feed:
1. bath (22mm plus service valve)
2. shower (15mm)
3. washing basin (15mm plus service valve)
4. WC cistern using straight tap connector (15mm plus service valve) [Water Regulations Schedule 2 part 25]
3. Through the predrilled holes the cold water 22mm pipe goes into WC where it brunches to feed:
1. WC cistern using Straight Tap Connector (15mm plus service valve) [Water Regulations Schedule 2 part 25]
2. washing basin (15mm plus service valve)
4. At the door way 22mm cold water pipe diverts to the partition of Bedroom 3 through the predrilled hole in the wall and runs inside the partition above the concrete floor
5. 22mm cold water pipe:
1. Diverting through the chase Ch1 in the concrete floor (have to be wrapped against corrosion) to the partition of Bedroom 1
2. Branches inside the partition to feed:
1. shower (15mm)
2. washing basin (15mm plus service valve)

1. Vent pipe [Water Regulations Schedule 2 part 18]:
1. 22mm in diameter
2. Tee off from hot water distributing pipe after 450mm from the cylinder
3. Insulated in the loft area with 25mm thick insulation
4. Height calculation = 150mm+40mm*3m= 270mm above the water level of CWSC
5. Termination point (above CWSC) calculation = 22mm*2 = 44mm above the FOV
2. 256 litres Stainless Steel Indirect Cylinder:
1. Located in Airing Cupboard in Utility room next to the boiler
2. Hot water 22mm distributing pipe is taken off from the top of the cylinder via Bent Tap Connector and connected to the Impellor Pump with Line Strainer and Service Valve
3. Immersion Heater enters the cylinder 25mm above the cold water inlet
4. Heater Thermostat  is set at no higher than 60Cº to prevent scale forming
5. Cylinder Thermostat is fitted on the cylinder and set at 60Cºto operate a motorized valve

1. 22mm hot water pipe tees off to 15mm pipe to feed single outlets and have the same route as Cold Water pipe

1. The pipe length to reach the En Suit in Bedroom 1 is more than 12m and to avoid dead legs and to meet regulations requirements for hot water to reach a tap within 30 seconds we provide it with secondary return pipe:
1. 15mm pipe is running to the cylinder from where it joins a hot water pipe inside the partition of Bedroom 1 Ensuite
2. It runs all the way back using the same rote as cold water pipe
2. Near the cylinder 15mm pipe extends to 22mm
3. 22mm Single Check Valve is fitted to prevent cooled water to be draw off back to the hot water pipe

Bronze pump fitted near the cylinder and after single check valve and operates the water circulation during fixed hours on a timer

Ensuite in Bedroom 1

Materials

• Timber - £90.00
• Simple interior Door, door frame and hardware - £100.00
• Plasterboard, Plaster, skirting boards - £60.00
• Paint 2.5 litre- £35.00
• Tiles 10m2  and filler  - £180.70
• Sockets, switches, lights and cables - £50
• Plaster - £50

Labour

• Carpenter 2 days - £200
• Plasterer 1 day - £100
• Decorator 1 day - £100
• Tiler 1 day - £150
• Electrician 1 day - £200

Total: £1315

Labour

• labourer 4 days - £320

Total: £320

Vented, fully pumped heating system using 2x2 port valves

• 12kW System Boiler:
• Located in airing cupboard in utility room
• Supplied with 15mm cold water pipe with service valve
• CH flow pipe is 22mm:
• Drain Cock at the lowest point of the pipe near the boiler
• 22mm tee off for the Vent Pipe that goes to F&E tank and insulated on the loft
• Within 150mm after the Vent Pipe the Flow Pipe 15mm tees off for Cold Feed Pipe
• Circulator Pump is fitted after the cold feed brunch with 2 Pump Service Valves upstream and downstream the pump
• By-pass between flow and return is fitted after the pump
• 22mm brunch with a2-Port Motorized Valvegoes to heat indirectly the HWSC
• 22mm brunch with a2-Port Motorized Valvegoes to heat the radiators

• 18 litres F&E tank is located on the loft next to CWSC and insulated with 15mm thick glass fibre blanket [Water Regulations Schedule 2 part 24]
• The water level is set just above the cold feed pipe to allow to accommodate 4% of central heating system which is 6.34 litres
• Primary open vent rises for 450mm above the cistern – preventing surge effect

• Radiators positioning
  All radiators are 150mm above the floor and 40mm between the skirting board and the radiators:
• Ensuite (Bedroom1) - can be positioned on any wall as the area is small, now windows and a small external wall
• Bedroom 1 – below the window as the coolest part of the room for better heat circulation
• Bedroom 2 - below the window as the coolest part of the room for better heat circulation, covering all the length of the window
• Bedroom 3 - below the window as the coolest part of the room for better heat circulation, covering all the length of the window
• Master Bathroom –next to the shower for more convenient pipe route to it
• WC –opposite basin as the only suitable place
• Hall – next to the door, in the most coolest place
• Lounge – on the external wall, in the most coolest place
• Dining room – close to the centre of the building for more convenient pipe route
  

Formulas:

• Air Change (W) = 0.33 * Cubic content of the room (m3) *  Temperature rise (ºC) * Number of air changes (1/h)
• Heat loss (W) = Area (m2) * U-value (W/m2) * Temperature rise (ºC)

Component	Area m2		U-value		Temp. Rise		Watts
Ensuite (Bedroom1)
Floor	3.05		0.36		23		25.25
External wall	4.00		1.0		23		92.00
Internal wall	16.10		1.9		5		152.98
Ceiling	3.05		0.34		23		23.85
Double glazed window	None		-		-		-
Air change	= 3.05m2*2.7m*2/h*0.33*23ºC =						125.01
15% for intermittent firing							62.86
Total:							481.95
Radiator	Towel Radiator Flat White 1100x500 515W
Bedroom1
Floor		11.08		0.36		19	75.79
External wall		23.22		1.0		19	441.18
Internal wall		23.58		1.9		5	224.01
Ceiling		11.08		0.34		19	71.58
Double glazed window		6.49		2.0		19	246.62
Air change		= 11.08m2*2.7m*1/h*0.33*19ºC =					187.57
15% for intermittent firing							187.01
Total:							1433.77
Radiator	Double Radiator with single fins 600x1100 1470W
Bedroom2
Floor	8.33		0.36		19		56.98
External wall	15.61		1.0		19		296.59
Internal wall	15.61		1.9		5		148.30
Ceiling	8.33		0.34		19		53.81
Double glazed window	1.42		2.0		19		53.96
Air change	= 8.33m2*2.7m*1/h*0.33*19ºC =						141.02
15% for intermittent firing							112.60
Total:							863.26
Radiator	Single with fins 500x1000 876W
Bedroom3
Floor		5.33		0.36		19		36.46
External wall		7.18		1.0		19		136.42
Internal wall		18.01		1.9		5		171.10
Ceiling		5.33		0.34		19		34.43
Double glazed window		1.42		2.0		19		53.96
Air change		= 5.33m2*2.7m*1/h*0.33*19ºC =						90.23
15% for intermittent firing								78.39
Total:								600.98
Radiator	Single Radiator with fins 600x600 616W
Master Bathroom
Floor		6.70		0.36		23		55.48
External wall		5.89		1.0		23		135.47
Internal wall		21.82		1.0		5		109.10
Ceiling		6.70		0.34		23		52.39
Double glazed window		1.42		2.0		23		65.32
Air change		= 6.70m2*2.7m*2/h*0.33*23ºC =						274.61
15% for intermittent firing								103.85
Total:								796.22
Radiator	Towel Radiator Flat White 1500x600 819W
WC
Floor		1.59		0.36		19		10.88
External wall		1.12		1.0		19		21.28
Internal wall		13.86		1.0		5		69.30
Ceiling		1.59		0.34		19		10.27
Double glazed window		0.4		2.0		19		15.20
Air change		= 1.59m2*2.7m*2/h*0.33*19ºC =						53.83
15% for intermittent firing								27.11
Total:								207.88
Radiator	Towel Radiator Flat White 700x400 259W
Hall
Floor		3.26		0.36		19		22.30
External wall		1.12		1.0		19		21.28
Internal wall		19.59		1.9		5		186.11
Ceiling		3.26		0.34		19		21.06
Double glazed window		None		-		-		-
Air change		= 3.26m2*2.7m*1.5/h*0.33*19ºC =						82.78
15% for intermittent firing								50.03
Total:								383.55
Radiator	Single Radiator with fins 300x800 441W
Lounge
Floor		12.36		0.36		22		97.89
External wall		2.83		1.0		22		62.26
Internal wall		31.54		1.9		5		299.63
Ceiling		12.36		0.34		22		92.45
Double glazed window		None		-		-		-
Air change		= 12.36m2*2.7m*1.5/h*0.33*22ºC =						363.42
15% for intermittent firing								137.35
Total:								1053.00
Radiator	Double Radiator with fins 600x800 1069W
Dining room
Floor		14.20		0.36		22		112.46
External wall		7.55		1.0		22		166.10
Internal wall		26.60		1.0		5		133.00
Ceiling		14.20		0.34		22		106.22
Double glazed window		None		-		-		-
Air change		= 14.20m2*2.7m*1.5/h*0.33*22ºC =						417.52
15% for intermittent firing								140.30
Total:								1075.60
Radiator	Double Radiator with fins 300x1400 1103W
Boiler: Output = total+3kW= 6099.99W+3kW≈10kW

Soundness Test [Water Regulations Schedule 2 part 12] takes place after all pipe work is done and no hidden under the floor or inside the walls

• the whole system is subjected 7.5 bar by pumping, after which the
• test continues for one hour without further pumping;
• the pressure in the system is maintained for one hour; and
• there is no visible leakage throughout the test.

• Fill cistern with water and make sure the water level is 25mm below the overflow pipe
• Let the cistern to overflow and make sure that the discharge is safe
• Check that F&E tank is lower than SWSC and capable to accommodate 4% of heating system volume which is 6.34 litres
• Check the temperature of the stored  is below 25ºC

• Fill the cylinder with water
• Run the boiler and check that HWSC is heating up
• Make sure there is no constant discharge through open vent pipe from the cylinder

• Close all radiator's valves
• Fill the heating system with water
• Set the room thermostat on maximum
• Start opening  radiators in direction from the boiler, releasing air from bleeding valves
• Check that all radiators are hot enough
• Replace the circulating pump with a piece of 22mm pipe, cup off open vent pipe and power flush the system
• Fix the pump back after finishing
• Add Inhibitor into F&E tank

• Check hot water  is coming within 30 seconds  and it has at least 50ºC temperature
• Check standing and working pressure with a pressure gauge
• Check flow rate with Weir Cup at least 9 litres/min
• Check cold water temperature is less than 25ºC
• Check that the overflow is discharging water safely without any leaks [Water Regulations Schedule 2 part 26]
• Commence the performance test
• Check leaks from the waste
• Flush the toilet several times with large and small buttons and check soil and flushing pipes connections to the pan for any leaks. Testing the dual flush. [Water Regulations Schedule 2 part 25]
• Test the washing machine by running it on a program, make sure it's completed the program

• Show the location of the main stop cock and water meter
• Recommend the best settings for heating controls
• Set the timer for the secondary return pump
• Show locations of warning pipes and instruct him to call a plumber in case the water is coming from them
• Leave all the manuals and manufactures instructions with the customer. Fill out guarantee cards

* - or market price on the day of purchasing

No	Name of material	Quantity	Pack	Price per item*	Total Price *	Part No
Pipes and fittings
	Copper tube 15mm	26	3m	5.99	155.74	10310
	Copper tube 22mm	34	3m	11.59	394.06	10312
	200 piece end feed/capillary fittings pack: 50-15 mm Straight couplings 25-22 mm Straight couplings 75 - 15 mm 90° elbows 25 - 22 mm 90° elbows 25 - 15 mm Equal tees	2	1	33.64	67.28	12248
	Reducer 22 x 15mm	50	1	0.35	17.5	6774
	Street 90° 22mm Male copper x female copper	25	1	0.57	14.25	6802
	Wall plate elbow Chrome plated 15mm x ½"	2	1	1.64	3.28	7630
	Hinged Clips Talon Single 15mm	3	20	0.68	2.04	17515
	Hinged Clips Talon Single 22mm	3	20	0.84	2.52	17516
	Tap Connector Straight 22mm x ¾"	2	1	5.99	11.98
	Tank connector 15mm	3	1	1.94	5.82	9034
	Tank connector 22mm	2	1	2.36	4.72	9035
Valves
	Isolating Valve 15mm	15	1	0.88	13.2	10405
	Isolating Valve 22mm	8	1	2.04	16,32	10407
	Washing Machine Valve 15mm x ¾"	1	1	2.49	2.49
	Double Check Valve 15mm	1	1	5.49	5.49
	Single Check Valve 22 mm brass	1	1	2.68	2.68	8149
	Gate Valve 22mm	2	1	5.99	11.98
	Stop Cock 22mm Compression	1	1	4.82	4.82	7548
	Drain Cock 15mm Type A	3	1	0.77	2.31	6921
	Float Valve ½" HP brass seat	2	1	4.61	9.22	8746
	Plastic Float 4.½" x 5/16" with brass insert	2	1	0.37	0.74	8763
	Brass Bib Cock 1/2" complete with hose union tail	1	1	3.08	3.08	9317
	in-line strainer 22 mm x 22 mm compression Y	2	1	11,63	23,26	7533
	Automatic Bypass Valve HONEYWELL DU144 straight	1	1	29.54	29.54	18863
Water storages & Boiler (with controls)
	CW Tank 227 Litres/50 Gallons Rectangular	1	1	41.71	41.71	17466
	Insulation jacket	1	1	9.50	9.50	17427
	Lid for rectangular 50 gallon tank	1	1	18.62	18.62	17467
	Back plate	2	1	0.46	0.92	11478
	F&E Tank 18 Litres/4 Gallons Rectangular	1	1	2.94	2.94	17416
	Lid for rectangular 4 gallon tank	1	1	1.70	1.70	17417
	Insulation jacket	1	1	2.64	2.64	17418
	Byelaw 30 kit	2	1	4.57	9.14	11454
	Pipe insulation 15 mm dia. x 25 mm wall thickness	5	2m	3.41	17.05	10941
	Pipe insulation 22 mm dia. x 25 mm wall thickness	6	2m	3.70	22.2	16520
	256 litres Stainless Steel Indirect Cylinder 72" (1800mm) x 18"(450mm)	1	1	298.35	298.35	20410
	Boiler 12kW ActivA Open Vent Heat Only	1	1	599.99	599.99
	7 day 2 channel programmer HONEYWELL  ST9400C	1	1	55.74	55.74	19259
	Room Thermostat Honeywell T6360	1	1	13.51	13.51	12128
	2 Port Zone Valve Honeywell V4043H	2	1	48.04	96.08	12126
	3kW Immersion Heater 36" (inc. 18" thermostat)	1	1	10.77	10.77	19757
	Cylinder Thermostat Honeywell L641	1	1	16.02	16.02	12129
	Circulator pump Grundfos UPS 15-50, 5 m head	1	1	60.27	60.27	10807
	Twin impeller shower pump Grundfos stp-2.0 b	1	1	291.20	291.20	19658
	Secondary pump SB 30	1	1	226.00	226.00	20710
	10-Way Junction Box Honeywell	1	1	5.17	5.17	18859

Radiators and valves
	Double Radiator with single fins 600x1100 1470W	1	1	74.99	74.99
	Single Radiator with fins 500x1000 876W	1	1	40.99	40.99
	Single Radiator with fins 600x600 616W	1	1	34.99	34.99
	Single Radiator with fins 300x800 441W	1	1	28.99	28.99
	Double Radiator with fins 600x800 1069W	1	1	58.99	58.99
	Double Radiator with fins 300x1400 1103W	1	1	50.99	50.99
	Towel Radiator Flat White 1100x500 515W	1	1	77.99	77.99
	Towel Radiator Flat White 1500x600 819W	1	1	121.99	121.99
	Towel Radiator Flat White 700x400 259W	1	1	44.99	44.99
	Thermostatic Radiator Valve VTL120 thermostatic and lockshield radiator valve pack	5	1	12.46	62.30	18858
	Radiator Valve 15 mm plated BS 2767 Type 10	2	1	3.07	6.14	7502
	Towel Radiator Valve Kit two chromed valves, two chromed copper tubes 150 mm long, and bleed key	3	2	21.05	63.15	16843
Taps & Appliances
	Thermostatic shower mixer and shower set	2	1	71.25	142.50	14567
	Shower Tray Square    900 mm	2	1	74.25	148.50	19250
	Bath Ceramica 1500 x 700mm Acrylic	1	1	98	98
	Bath/shower mixer	1	1	49.23	49.23	19824
	Basin mixer Modern metal head monobloc, copper tail	3	1	25.41	76.23	19153
	Mono Sink Mixer Single, chrome plated, Dual flow: 8" spout. Supplied with flexible tap connectors.	1	1	31.21	31.21	15564
	Sink Single bowl and drainer	1	1	47.30	47.30	18340
	Wash Basin Standard Alto One Tap Hole 55cm	2	1	87.26	174.52
	Compact Wash Basin Slim Line Cloakroom	1	1	28.00	28.00
	Belfast Sink White	1	1	149.00	149.00
	Bib Tap Contract Cross Head Range Pair	1	2	15.99	15.99
	WC Set Armitage Shanks 6Ltr CC	2	1	106.97	213.94
	Shower Pump Grundfos Stp-2.0 B, Twin Impeller	1	1	291.20	291.20	19658
Different
	PTFE Tape	1	10	2.49	2.49
	Marine Ply 2440 x 1220 x 18mm	1	1	52.14	52.14
	Solder Flux	1	100g	5.49	5.49
	Solder Wire Fernox Lead-Free	1	1	24.99	24.99
	Soldering Gas Gasex Monument 434R 450gm	1	1	10.59	10.59
	Cold water meter 3/4"	1	1	24.19	24.19	11357
	Screws Countersunk  4 x 1"	1	200	1.10	1.10
	Wall Plug Red 4-5mm Drill Dia. 6mm	1	100	0.41	0.41
	Flat Pipe Wrap	2	7.2m	1.02	2.04	12658
Materials total:					4819.82
VAT 20%					963.96
Disbursements 12%					694.05
TOTAL:					6477.84

I Am Accordion 5.