Milton Precast






Inspection Chambers

Chambers Section


Size (mm) Effective Depth (mm) Wall Thickness (mm) Nominal Weight of Unit (kg) Number of Units Per Pallet Approx Total Weight of Product and Pallet (kg)
600x450 152 51 45 32 1445
  229 51 65 20 1315
  305 51 85 16 1365
750x600 152 60 65 18 1205
  229 60 100 12 1200
1000x675 152 64 85 16 1380
  229 64 125 10 1290
1200x750 150 75 115 8 955
  500 75 390 * *
  750 75 600 * *
1475X1025 250 100 355 * *

* Sizes supplied individually
Chambers using 600x450 through 1000x675 sections are considered non man entry and steps are not required. However, for deeper chambers, loose steps can be supplied for use with the 1200x750 and 1475x1025 sections.



Rectangular Cover & Cover Surround


Chamber Size (mm) Access (mm) Effective Wall Thickness (mm) Nominal Weight of Unit (kg) Number of Units Per Pallet Approx Total Weight of Product and Pallet (kg)
     
600x450 600X450 110 103 16 1673
750X600 600X450 (Central) 122 121 12 1477
1000x675 600x450 (Offset) 140 162 12 1974
Cover To suit 600x450 Access 59 52    

Lifting keys in nylon are available for use with the Milton p.c. concrete cover.



Cover Slabs

For use with proprietary covers and frames

LD = Light Duty / HD = Heavy Duty

Size (mm) Access (mm) Effective Thickness (mm) Nominal Weight of Unit (kg) Number of Units Per Pallet Approx Total Weight of Product and Pallet (kg)
     
600x450LD 600X450 64 41 24 995
750X600LD 600X450 70 58 24 1430
1000x675LD 750x600 76 70 20 1475
1000x675LD 600x450 76 105 20 2175
1200x750LD 600x600 69 150 5 765
1200x750HD 600x600 144 310 5 1565
1200x750LD 900x600 65 125 5 1205
1200x750HD 900x600 144 235 5 1205
1200x750HD 1200x675 125 230 5 1180
1475x1025HD 600x600 144 640 - -
1475X1025HD 900x600 144 460 - -

Technical - Chamber sections and cover slabs are maufactured to BS 5911-2. Rectangular covers and cover surrounds are manufactured to satisfy Class A15 loading situations to BS EN 124. All units are to sulfate resistance Class 4.

Light Duty - All chamber sections, cover slabs and covers are for use in areas of light loading as imposed by a car or light van, equivalent to a wheel load of 15kN.

Heavy Duty - These cover slabs may be used together with the appropriate duty proprietary cover and frame in main road situations, equivalent to a wheel load of 112kN.



Jointing

Tongue and groove joint provided can be sealed using a joint can be made using Miljoint butyl resin sealent available from Milton Pipes.