Product Information

GMI General Information

GMI Composite Manhole Cover & Frame Booklet - GMI Brochure, Manhole Cover and Frame Set

24" Frame & Cover Set (22" Clear Open) -pdf

26" Frame & Cover Set (24" Clear Open) -pdf

32" Frame & Cover Set (30" Clear Open) -pdf

38" Frame & Cover Set (36" Clear Open) -pdf

GMI Powerpoint Presentation - pdf, ppt (power point)

GMI Infrastructure Product Catalog - pdf

Testing Synopsis

U.S.A. Standard AASHTO M 306-05 - Standard Specification for Drainage, Sewer, Utility, and Related Castings: Proof-Load testing at 2.5 times H-20 & H25.  U.S.A. Testing Procedure

European Standard EN 124 - European Standard: EN-124 for Gully Tops and Manhole Tops for Vehicular and Pedestrian Areas. Proof load & permanent set testing for classes A 15 kN - D 400 kN.  European Union Testing Standard

GMI Composite Manhole Covers & Frames

Retrofit Manhole Cover Sizing Sheets  Fibershield Application Form

GMI 2400 (22" Clear Opening) Cover & Frame -

2400 Composite Manhole Frame

2400 Composite Manhole Cover

GMI 2600 (24" Clear Opening) Cover  & Frame -

2600 Composite Manhole Frame

2600 Composite Manhole Cover

GMI 3200 (30" Clear Opening) Cover & Frame -

3200 Composite Manhole Frame

3200 Composite Manhole Cover

GMI 3800 (36" Clear Opening) Cover & Frame -

3800 Composite Manhole Frame

3800 Composite Manhole Cover

Custom Cover Sizes - 

4400 Composite Manhole Cover * Note - with Cast Iron Frame (contact GMI for more details)

GMI Square Manhole Cover and Frames

26" x 26" Frame & Cover Set (24" Clear Open) - pdf

GMI Composite Meter Pit Frames & Lids  - pdf

1200 Frame, 1200 Cover

1300 Frame, 1300 Cover

1500 Cover * Note - with Cast Iron Frame (contact GMI for more details)

1800 Cover * Note - with Cast Iron Frame (contact GMI for more details)

2100 Cover * Note - with Cast Iron Frame (contact GMI for more details)

GMI Custom Products & Locks - GMI Lock Options 2011

Pedestrian and Off-Road Applications

LiberT Lock - Small 

LiberT Lock - Large 

      (LiberT Operating Insturctions)

Traffic Applications

Quarter Turn Paddle Lock

GMI Standard Quarter Turn Paddle Lock

GMI Retrofit Quarter Turn Paddle Lock

Bolt-Down

Alternate Lock Options

Security Bolt Options

McGard "Fibershield" Security

Titus TwistLIFT™