About The Product

Product Details
PRODUCT DETAILSView Product Details
Item / SKU 36601501
Product / Series Oldcastle Infrastructure Duralite® 3660-36 underground handhole
Nominal Size 36″ × 60″ × 36″ deep
Approx. Exterior Size 39⅜″ × 62¾″ × 36″ (manufacturer 3660-36 drawing; dimensions may vary)
Base Weight Approximately 208 lb
Lid Weight (2 Split Covers) Approximately 68 lb each; 136 lb combined
Total Assembly Weight Approximately 344 lb (208 lb base + 136 lb covers)
Construction Composite, straight-wall handhole body
Load Rating ANSI/SCTE-77 Tier 22 — matched base-and-cover assembly included
Traffic Application Tier 22-rated underground utility access
Cover / Lid Gray, two-piece, non-skid, flush bolt-down Tier 22 covers included; other configurations on request
Included Complete enclosure assembly: Duralite body, both flush cover halves, and bolt-down hardware
Order Quantity 1 unit or 2 units (online options shown on this listing)
Optional T-Cover Weight Approximately 82 lb per cover half (164 lb combined); alternative T-cover configuration available upon request
Cover Fasteners Bolt-down flush split cover; standard listing specifies four hex-head fasteners; optional penta-head coil-thread fasteners available upon request
Conduit Entries Mouseholes / knockouts available as options; field modifications can affect certification
Optional Markings Custom logos, marking plates, and EMS markers on request; standard manufacturer/load identification may still appear
Shipping Palletized, LTL freight shipment
Manufacturer Oldcastle Infrastructure
Base: Duralite® composite; ~208 lbCover: Included — Tier 22-rated split flush coversUse: Tier 22-rated underground utility access
Informational Links

Manufacturer-approved Duralite® 3660 base and cover drawings, the current product listing, and accessory inquiries.

Loading Requirements
ANSI/SCTE-77 Tier 22 — Load Rating & Applications
  • Rating: Tier 22 design load: 22,500 lb (33,750 lb test load) for this assembly when properly installed.
  • Manufacturer requirement: This 3660-36 Duralite® Tier 22 assembly includes the matching approved split covers.
  • Typical applications: Telecommunications, fiber splicing, OSP cable access, municipal utility and electrical pull points outside vehicle travel paths.
  • Restrictions: Not for deliberate vehicular traffic, roadway lanes or driveways. Do not substitute an H-20 traffic rating.

Important: Box/cover choice, installation, and field-cut conduit entries may affect load rating. Confirm project-specific requirements with the manufacturer.

Cast Logos, Markings & Accessories
Lid Identification & Available Options

The Oldcastle Duralite® 3660-36 vault includes its matching Tier 22-rated base and split covers.

Custom cover identification and the accessory options below may be requested; certified lids may still display permanent manufacturer and load markings.

3660-Series Features
  • Lightweight composite straight-wall enclosure; approximately 208 lb without covers
  • 36″ × 60″ nominal size, 36″ depth; manufacturer drawing lists 39⅜″ × 62¾″ outside footprint
  • Optional mouseholes and conduit-entry knockouts upon request
  • Alternate covers and fasteners are available on request; changes must maintain the Tier 22 rating
Cast Logos, Markings & AccessoriesAll Available Upon Request
Reference photo of optional threaded bolt hardwarePenta Head Coil Thread BoltAvailable Upon Request

Optional cover fastener hardware available upon request; specify the style needed for this Tier 22 assembly.

Inquire About This Option ›
Reference photograph of an optional custom utility logo and cover marking panelLogos and Special MarkingsAvailable Upon Request

Customer-requested utility names, logos, or cover identification. Submit artwork and marking requirements for review.

Inquire About This Option ›
Reference photograph of a CATV marking plateMarking PlateAvailable Upon Request

Custom identification plate for utility or network identification, subject to available styles and placement.

Inquire About This Option ›
Reference example of an EMS marker and related hardwareEMS MarkerAvailable Upon Request

Optional electronic marker accessory to assist with underground utility locating. Confirm the marker type and placement.

Inquire About This Option ›

Additional options upon request: alternative cover/fastener configurations, optional mouseholes, and conduit-entry knockouts.

All pictured accessories are illustrative and are not included with SKU 36601501 unless expressly quoted. Contact our team to confirm configuration, compatibility, availability, lead time, and pricing.

Looking To Place A Bulk Order?

Because this vault ships palletized by LTL freight, contact us for quantity pricing, delivery requirements, and liftgate or jobsite delivery options.

We offer flexible quantities to meet your needs, from individual units to large volume orders. For quantities outside the standard online package, contact our sales team for customized pricing and availability.

Handhole Load Rating & Size Guide

1. Match the load rating to your installation. 2. Open a size chart below to shop the right enclosure.

Handhole Ratings at a Glance
Representative product images from our website are shown below so customers can quickly compare each handhole rating.
Pedestrian handhole
Pedestrian
Foot traffic only
Not vehicle-rated
Landscaping and protected pedestrian areas
Tier 8 handhole
Tier 8
8,000 lb design
12,000 lb test
Sidewalks with incidental vehicle exposure
Tier 15 handhole
Tier 15
15,000 lb design
22,500 lb test
Off-road locations with occasional vehicle loads
Tier 22 handhole
Tier 22
22,500 lb design
33,750 lb test
Off-road locations with occasional heavier vehicle loads
H-20 traffic handhole
H-20 Traffic
16,000 lb / wheel
32,000 lb / axle
Deliberate truck/vehicle traffic, to approved H-20 design

Design load = rated design value; test load = higher verification load, not the allowable everyday load. Tier ratings follow ANSI/SCTE 77; H-20 is a separate AASHTO traffic-loading classification. Confirm the exact lid and enclosure rating for your project.

Shop by size
Pedestrian & Tier 22 — Browse Sizes
Pedestrian: Foot traffic only.   Tier 22: 22,500 lb design / 33,750 lb test. Choose a size from the matching column below.
Size Pedestrian
Foot traffic only 		Tier 22 · Polymer Concrete
22,500 lb design 		HDPE / Composite
Check model-specific tier
10″ round Shop Now
Shop Now 		Contact for Availability Contact for Availability
10″ × 15″ × 12″ Shop Now Contact for Availability Contact for Availability
11″ × 18″ × 12″ Contact for Availability Shop Now Contact for Availability
11″ × 18″ × 18″ Contact for Availability Shop Now
Shop Now 		Contact for Availability
12″ × 12″ × 12″ Contact for Availability Shop Now Contact for Availability
13″ × 24″ × 12″ Contact for Availability Shop Now Contact for Availability
13″ × 24″ × 18″ Contact for Availability Shop Now Contact for Availability
14″ × 20″ × 12″ Shop Now Contact for Availability Contact for Availability
17″ × 30″ × 18″ Shop Now Shop Now Contact for Availability
17″ × 30″ × 24″ Contact for Availability Shop Now Shop Now
24″ × 24″ × 24″ Contact for Availability Shop Now Contact for Availability
24″ × 36″ × 24″ Contact for Availability Shop Now Shop Now
24″ × 36″ × 30″ Contact for Availability Shop Now Contact for Availability
24″ × 36″ × 36″ Contact for Availability Shop Now Contact for Availability
30″ × 48″ × 24″ Contact for Availability Shop Now Shop Now
30″ × 48″ × 36″ Contact for Availability Shop Now Shop Now
36″ × 36″ × 36″ Contact for Availability Shop Now Contact for Availability
36″ × 60″ × 36″ Contact for Availability Shop Now Shop Now
48″ × 48″ × 36″ Contact for Availability Shop Now Contact for Availability
48″ × 48″ × 48″ Contact for Availability Shop Now Contact for Availability
48″ × 60″ × 48″ Contact for Availability Shop Now Contact for Availability
48″ × 96″ × 48″ Contact for Availability Shop Now Contact for Availability
H-20 Traffic — Browse Sizes
H-20 traffic rating: AASHTO loading based on a 16,000 lb wheel / 32,000 lb axle. Verify the selected enclosure's certified load rating before installation.

Rated for: Deliberate vehicle traffic under AASHTO H-20 loading requirements.

Common installations: Driveways, parking areas, and roadway utility access where the project specifies H-20 loading.

Choose an outside size, then select a depth. Each depth links to the matching Concast handhole option.

Outside L × W (inches) Inside L × W (inches) Select depth (inches)
18″ × 18″ 12″ × 12″ 18″ × 18″ × 12″ — H-20 › 18″ × 18″ × 18″ — H-20 › 18″ × 18″ × 24″ — H-20 › 18″ × 18″ × 30″ — H-20 › 18″ × 18″ × 36″ — H-20 ›
18″ × 24″ 12″ × 18″ 18″ × 24″ × 12″ — H-20 › 18″ × 24″ × 18″ — H-20 › 18″ × 24″ × 24″ — H-20 › 18″ × 24″ × 30″ — H-20 › 18″ × 24″ × 36″ — H-20 ›
18″ × 30″ 12″ × 24″ 18″ × 30″ × 12″ — H-20 › 18″ × 30″ × 18″ — H-20 › 18″ × 30″ × 24″ — H-20 › 18″ × 30″ × 30″ — H-20 › 18″ × 30″ × 36″ — H-20 ›
18″ × 36″ 12″ × 30″ 18″ × 36″ × 12″ — H-20 › 18″ × 36″ × 18″ — H-20 › 18″ × 36″ × 24″ — H-20 › 18″ × 36″ × 30″ — H-20 › 18″ × 36″ × 36″ — H-20 ›
24″ × 24″ 18″ × 18″ 24″ × 24″ × 12″ — H-20 › 24″ × 24″ × 18″ — H-20 › 24″ × 24″ × 24″ — H-20 › 24″ × 24″ × 30″ — H-20 › 24″ × 24″ × 36″ — H-20 ›
24″ × 30″ 18″ × 24″ 24″ × 30″ × 12″ — H-20 › 24″ × 30″ × 18″ — H-20 › 24″ × 30″ × 24″ — H-20 › 24″ × 30″ × 30″ — H-20 › 24″ × 30″ × 36″ — H-20 ›
24″ × 36″ 18″ × 30″ 24″ × 36″ × 12″ — H-20 › 24″ × 36″ × 18″ — H-20 › 24″ × 36″ × 24″ — H-20 › 24″ × 36″ × 30″ — H-20 › 24″ × 36″ × 36″ — H-20 ›
30″ × 30″ 24″ × 24″ 30″ × 30″ × 12″ — H-20 › 30″ × 30″ × 18″ — H-20 › 30″ × 30″ × 24″ — H-20 › 30″ × 30″ × 30″ — H-20 › 30″ × 30″ × 36″ — H-20 ›
30″ × 36″ 24″ × 30″ 30″ × 36″ × 12″ — H-20 › 30″ × 36″ × 18″ — H-20 › 30″ × 36″ × 24″ — H-20 › 30″ × 36″ × 30″ — H-20 › 30″ × 36″ × 36″ — H-20 ›
30″ × 48″ 24″ × 42″ 30″ × 48″ × 12″ — H-20 › 30″ × 48″ × 18″ — H-20 › 30″ × 48″ × 24″ — H-20 › 30″ × 48″ × 30″ — H-20 › 30″ × 48″ × 36″ — H-20 ›
H-20 Concrete Pull Boxes

Choose a height and cover style for the Concast pull box.

Product Details
PRODUCT DETAILSView Product Details
Item / SKU 36601501
Product / Series Oldcastle Infrastructure Duralite® 3660-36 underground handhole
Nominal Size 36″ × 60″ × 36″ deep
Approx. Exterior Size 39⅜″ × 62¾″ × 36″ (manufacturer 3660-36 drawing; dimensions may vary)
Base Weight Approximately 208 lb
Lid Weight (2 Split Covers) Approximately 68 lb each; 136 lb combined
Total Assembly Weight Approximately 344 lb (208 lb base + 136 lb covers)
Construction Composite, straight-wall handhole body
Load Rating ANSI/SCTE-77 Tier 22 — matched base-and-cover assembly included
Traffic Application Tier 22-rated underground utility access
Cover / Lid Gray, two-piece, non-skid, flush bolt-down Tier 22 covers included; other configurations on request
Included Complete enclosure assembly: Duralite body, both flush cover halves, and bolt-down hardware
Order Quantity 1 unit or 2 units (online options shown on this listing)
Optional T-Cover Weight Approximately 82 lb per cover half (164 lb combined); alternative T-cover configuration available upon request
Cover Fasteners Bolt-down flush split cover; standard listing specifies four hex-head fasteners; optional penta-head coil-thread fasteners available upon request
Conduit Entries Mouseholes / knockouts available as options; field modifications can affect certification
Optional Markings Custom logos, marking plates, and EMS markers on request; standard manufacturer/load identification may still appear
Shipping Palletized, LTL freight shipment
Manufacturer Oldcastle Infrastructure
Base: Duralite® composite; ~208 lbCover: Included — Tier 22-rated split flush coversUse: Tier 22-rated underground utility access
Informational Links

Manufacturer-approved Duralite® 3660 base and cover drawings, the current product listing, and accessory inquiries.

Loading Requirements
ANSI/SCTE-77 Tier 22 — Load Rating & Applications
  • Rating: Tier 22 design load: 22,500 lb (33,750 lb test load) for this assembly when properly installed.
  • Manufacturer requirement: This 3660-36 Duralite® Tier 22 assembly includes the matching approved split covers.
  • Typical applications: Telecommunications, fiber splicing, OSP cable access, municipal utility and electrical pull points outside vehicle travel paths.
  • Restrictions: Not for deliberate vehicular traffic, roadway lanes or driveways. Do not substitute an H-20 traffic rating.

Important: Box/cover choice, installation, and field-cut conduit entries may affect load rating. Confirm project-specific requirements with the manufacturer.

Cast Logos, Markings & Accessories
Lid Identification & Available Options

The Oldcastle Duralite® 3660-36 vault includes its matching Tier 22-rated base and split covers.

Custom cover identification and the accessory options below may be requested; certified lids may still display permanent manufacturer and load markings.

3660-Series Features
  • Lightweight composite straight-wall enclosure; approximately 208 lb without covers
  • 36″ × 60″ nominal size, 36″ depth; manufacturer drawing lists 39⅜″ × 62¾″ outside footprint
  • Optional mouseholes and conduit-entry knockouts upon request
  • Alternate covers and fasteners are available on request; changes must maintain the Tier 22 rating
Cast Logos, Markings & AccessoriesAll Available Upon Request
Reference photo of optional threaded bolt hardwarePenta Head Coil Thread BoltAvailable Upon Request

Optional cover fastener hardware available upon request; specify the style needed for this Tier 22 assembly.

Inquire About This Option ›
Reference photograph of an optional custom utility logo and cover marking panelLogos and Special MarkingsAvailable Upon Request

Customer-requested utility names, logos, or cover identification. Submit artwork and marking requirements for review.

Inquire About This Option ›
Reference photograph of a CATV marking plateMarking PlateAvailable Upon Request

Custom identification plate for utility or network identification, subject to available styles and placement.

Inquire About This Option ›
Reference example of an EMS marker and related hardwareEMS MarkerAvailable Upon Request

Optional electronic marker accessory to assist with underground utility locating. Confirm the marker type and placement.

Inquire About This Option ›

Additional options upon request: alternative cover/fastener configurations, optional mouseholes, and conduit-entry knockouts.

All pictured accessories are illustrative and are not included with SKU 36601501 unless expressly quoted. Contact our team to confirm configuration, compatibility, availability, lead time, and pricing.

Looking To Place A Bulk Order?

Because this vault ships palletized by LTL freight, contact us for quantity pricing, delivery requirements, and liftgate or jobsite delivery options.

We offer flexible quantities to meet your needs, from individual units to large volume orders. For quantities outside the standard online package, contact our sales team for customized pricing and availability.

Handhole Load Rating & Size Guide

1. Match the load rating to your installation. 2. Open a size chart below to shop the right enclosure.

Handhole Ratings at a Glance
Representative product images from our website are shown below so customers can quickly compare each handhole rating.
Pedestrian handhole
Pedestrian
Foot traffic only
Not vehicle-rated
Landscaping and protected pedestrian areas
Tier 8 handhole
Tier 8
8,000 lb design
12,000 lb test
Sidewalks with incidental vehicle exposure
Tier 15 handhole
Tier 15
15,000 lb design
22,500 lb test
Off-road locations with occasional vehicle loads
Tier 22 handhole
Tier 22
22,500 lb design
33,750 lb test
Off-road locations with occasional heavier vehicle loads
H-20 traffic handhole
H-20 Traffic
16,000 lb / wheel
32,000 lb / axle
Deliberate truck/vehicle traffic, to approved H-20 design

Design load = rated design value; test load = higher verification load, not the allowable everyday load. Tier ratings follow ANSI/SCTE 77; H-20 is a separate AASHTO traffic-loading classification. Confirm the exact lid and enclosure rating for your project.

Shop by size
Pedestrian & Tier 22 — Browse Sizes
Pedestrian: Foot traffic only.   Tier 22: 22,500 lb design / 33,750 lb test. Choose a size from the matching column below.
Size Pedestrian
Foot traffic only 		Tier 22 · Polymer Concrete
22,500 lb design 		HDPE / Composite
Check model-specific tier
10″ round Shop Now
Shop Now 		Contact for Availability Contact for Availability
10″ × 15″ × 12″ Shop Now Contact for Availability Contact for Availability
11″ × 18″ × 12″ Contact for Availability Shop Now Contact for Availability
11″ × 18″ × 18″ Contact for Availability Shop Now
Shop Now 		Contact for Availability
12″ × 12″ × 12″ Contact for Availability Shop Now Contact for Availability
13″ × 24″ × 12″ Contact for Availability Shop Now Contact for Availability
13″ × 24″ × 18″ Contact for Availability Shop Now Contact for Availability
14″ × 20″ × 12″ Shop Now Contact for Availability Contact for Availability
17″ × 30″ × 18″ Shop Now Shop Now Contact for Availability
17″ × 30″ × 24″ Contact for Availability Shop Now Shop Now
24″ × 24″ × 24″ Contact for Availability Shop Now Contact for Availability
24″ × 36″ × 24″ Contact for Availability Shop Now Shop Now
24″ × 36″ × 30″ Contact for Availability Shop Now Contact for Availability
24″ × 36″ × 36″ Contact for Availability Shop Now Contact for Availability
30″ × 48″ × 24″ Contact for Availability Shop Now Shop Now
30″ × 48″ × 36″ Contact for Availability Shop Now Shop Now
36″ × 36″ × 36″ Contact for Availability Shop Now Contact for Availability
36″ × 60″ × 36″ Contact for Availability Shop Now Shop Now
48″ × 48″ × 36″ Contact for Availability Shop Now Contact for Availability
48″ × 48″ × 48″ Contact for Availability Shop Now Contact for Availability
48″ × 60″ × 48″ Contact for Availability Shop Now Contact for Availability
48″ × 96″ × 48″ Contact for Availability Shop Now Contact for Availability
H-20 Traffic — Browse Sizes
H-20 traffic rating: AASHTO loading based on a 16,000 lb wheel / 32,000 lb axle. Verify the selected enclosure's certified load rating before installation.

Rated for: Deliberate vehicle traffic under AASHTO H-20 loading requirements.

Common installations: Driveways, parking areas, and roadway utility access where the project specifies H-20 loading.

Choose an outside size, then select a depth. Each depth links to the matching Concast handhole option.

Outside L × W (inches) Inside L × W (inches) Select depth (inches)
18″ × 18″ 12″ × 12″ 18″ × 18″ × 12″ — H-20 › 18″ × 18″ × 18″ — H-20 › 18″ × 18″ × 24″ — H-20 › 18″ × 18″ × 30″ — H-20 › 18″ × 18″ × 36″ — H-20 ›
18″ × 24″ 12″ × 18″ 18″ × 24″ × 12″ — H-20 › 18″ × 24″ × 18″ — H-20 › 18″ × 24″ × 24″ — H-20 › 18″ × 24″ × 30″ — H-20 › 18″ × 24″ × 36″ — H-20 ›
18″ × 30″ 12″ × 24″ 18″ × 30″ × 12″ — H-20 › 18″ × 30″ × 18″ — H-20 › 18″ × 30″ × 24″ — H-20 › 18″ × 30″ × 30″ — H-20 › 18″ × 30″ × 36″ — H-20 ›
18″ × 36″ 12″ × 30″ 18″ × 36″ × 12″ — H-20 › 18″ × 36″ × 18″ — H-20 › 18″ × 36″ × 24″ — H-20 › 18″ × 36″ × 30″ — H-20 › 18″ × 36″ × 36″ — H-20 ›
24″ × 24″ 18″ × 18″ 24″ × 24″ × 12″ — H-20 › 24″ × 24″ × 18″ — H-20 › 24″ × 24″ × 24″ — H-20 › 24″ × 24″ × 30″ — H-20 › 24″ × 24″ × 36″ — H-20 ›
24″ × 30″ 18″ × 24″ 24″ × 30″ × 12″ — H-20 › 24″ × 30″ × 18″ — H-20 › 24″ × 30″ × 24″ — H-20 › 24″ × 30″ × 30″ — H-20 › 24″ × 30″ × 36″ — H-20 ›
24″ × 36″ 18″ × 30″ 24″ × 36″ × 12″ — H-20 › 24″ × 36″ × 18″ — H-20 › 24″ × 36″ × 24″ — H-20 › 24″ × 36″ × 30″ — H-20 › 24″ × 36″ × 36″ — H-20 ›
30″ × 30″ 24″ × 24″ 30″ × 30″ × 12″ — H-20 › 30″ × 30″ × 18″ — H-20 › 30″ × 30″ × 24″ — H-20 › 30″ × 30″ × 30″ — H-20 › 30″ × 30″ × 36″ — H-20 ›
30″ × 36″ 24″ × 30″ 30″ × 36″ × 12″ — H-20 › 30″ × 36″ × 18″ — H-20 › 30″ × 36″ × 24″ — H-20 › 30″ × 36″ × 30″ — H-20 › 30″ × 36″ × 36″ — H-20 ›
30″ × 48″ 24″ × 42″ 30″ × 48″ × 12″ — H-20 › 30″ × 48″ × 18″ — H-20 › 30″ × 48″ × 24″ — H-20 › 30″ × 48″ × 30″ — H-20 › 30″ × 48″ × 36″ — H-20 ›
H-20 Concrete Pull Boxes

Choose a height and cover style for the Concast pull box.

Questions?
Give us a Call at 866-303-9408
Underground Enclosures by Utility Plastics

Oldcastle Duralite® 36" x 60" x 36" Tier 22 Handhole

36601501

$2,175.00
$2,175.00
Shipping calculated at checkout.
Quantity:
What's Included?
All vaults come pre-assembled with lid and base.
Are Marked Lids Available?
All vaults come blank but markers are available upon request
How Will It Ship?
Vaults must be palletized and shipped LTL

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