Return to Preapproved Materials
Inlet Frames
Applicable Specification:
Manhole Steps
Applicable Specification:
Manhole Steps
| Manufacturer
 | 
Product Name or Number
 | 
Approval Date
 | 
Comment
 | 
Catalog Cut Links
 | 
| American Step | 
ML-13
 | 
3/27/2017 | 
 | 
ML-13
 | 
| American Step | 
ML-10
 | 
3/27/2017 | 
 | 
ML-10
 | 
| MA Industries | 
PS1-PF
 | 
3/27/2017 | 
 | 
PS1-PF
 | 
| MA Industries | 
PS2-PF
 | 
3/27/2017 | 
 | 
PS2-PF
 | 
Manhole Rings & Lids
Applicable Specification:
Manhole Rings & Lids
| Manufacturer
 | 
Product Name or Number
 | 
Type
 | 
Approval Date
 | 
Comment
 | 
Catalog Cut Links
 | 
| Castings from overseas shall have the coupon as required in AASHTO M-306 for testing.
 | 
| EJ Group, Inc.
 | 
1501 A and Z | 
Medium Duty
 | 
4/7/2017 | 
 | 
1501
 | 
| 1502 A and Z | 
Heavy Duty
 | 
4/7/2017 | 
 | 
1502
 | 
| Clay and Bailey
 | 
N2161-CSTSWR | 
Medium Duty
 | 
4/13/2017 | 
 | 
N2161-CSTSWR
 | 
| N2160-CSTSWR | 
Heavy Duty
 | 
4/13/2017 | 
 | 
N2160-CSTSWR
 | 
Sealants - Manhole
Applicable Specification:
| 
 | 
Johnson County Wastewater Standard Details
 | 
Sealants - Manhole
| Manufacturer
 | 
Product Name or Number
 | 
Approval Date
 | 
Comment
 | 
Catalog Cut Links
 | 
| Hamilton Kent | 
No. 2
 | 
4/13/2017 | 
 | 
Kent Seal No. 2
 | 
| Trelleborg | 
Bidco – C56 Butyl
 | 
4/13/2017 | 
 | 
C56 Sealant
 | 
| Press-Seal Corp. | 
Pro-Stik
 | 
4/13/2017 | 
 | 
Pro-Stik
 | 
Sealants - RCBs & Non-circular Pipe
Sealants - Pipe/RCBs
| Manufacturer
 | 
Product Name or Number
 | 
Approval Date
 | 
Comment
 | 
Catalog Cut Links
 | 
| Blackhawk | 
Mastic
 | 
4/14/2017 | 
 | 
BH5401
 | 
| Mar-Mac Manufacturing | 
Mac-Wrap
 | 
4/14/2017 | 
 | 
Mac-Wrap
 | 
Class III Concrete Pipe
Applicable Specification:
Class III Concrete Pipe
| Manufacturer
 | 
Pipe Size
 | 
Wall Size
 | 
Joint Design
 | 
Gaskets
 | 
Approval Date
 | 
Catalog Cut Links
 | 
| Pretech
 | 
15”-36”
 | 
B
 | 
Profile
 | 
Hamilton Kent - Tylox Super Seal (HK TSS)
 | 
5/5/2017
 | 
RCP 15"-36"
 | 
| Trelleborg Forsheda
 | 
| Universal Polymer & Rubber
 | 
4/10/2018
 | 
| Pretech
 | 
42”-78”
 | 
B/C
 | 
Profile
 | 
HK TSS
 | 
5/5/2017
 | 
RCP 42"-78"
 | 
| Forsheda
 | 
| Universal Polymer & Rubber
 | 
4/10/2018
 | 
| Forterra
 | 
12"
 | 
C
 | 
P4 (Profile)
 | 
HK TSS135
 | 
5/5/2017
 | 
 | 
| Forterra
 | 
15"-18"
 | 
B/C
 | 
P4
 | 
HK TSS135
 | 
5/5/2017
 | 
 | 
| Forterra
 | 
21"
 | 
B/C
 | 
CX4 (Confined O-ring)
 | 
Press Seal 21/32
 | 
5/5/2017
 | 
 | 
| Forterra
 | 
24"-36"
 | 
B/C
 | 
P4
 | 
HK TSS135
 | 
5/5/2017
 | 
 | 
| Forterra
 | 
42”
 | 
B
 | 
P3
 | 
HK TSS 185
 | 
5/5/2017
 | 
 | 
| C
 | 
CX4
 | 
Press Seal 25/32
 | 
| Forterra
 | 
48”
 | 
C
 | 
P3
 | 
HK TSS 185
 | 
5/5/2017
 | 
 | 
| CX4
 | 
Press Seal 25/32
 | 
| Forterra
 | 
54”
 | 
C
 | 
P3
 | 
HK TSS 185
 | 
5/5/2017
 | 
 | 
| CX4
 | 
Press Seal 25/32
 | 
| Forterra
 | 
60", 66"
 | 
C
 | 
CX4
 | 
Press Seal 25/32
 | 
5/5/2017
 | 
 | 
| Forterra
 | 
72", 78"
 | 
C
 | 
CX4
 | 
Press Seal 27/32
 | 
5/5/2017
 | 
 | 
| Forterra
 | 
84", 90"
 | 
B
 | 
CX4
 | 
Press Seal 1
 | 
5/5/2017
 | 
 | 
| Forterra
 | 
96", 144"
 | 
B
 | 
CX4
 | 
Press Seal 1-3/32
 | 
5/5/2017
 | 
 | 
| Forterra
 | 
108", 120"
 | 
B
 | 
CX4
 | 
Press Seal 1-1/16
 | 
5/5/2017
 | 
 | 
Underdrains
Applicable Specification:
Underdrains
| Manufacturer
 | 
Product Name or Number
 | 
Type
 | 
Approval Date
 | 
Comment
 | 
Catalog Cut Links
 | 
| Contech | 
A-2000
 | 
H
 | 
3/29/2017 | 
 | 
A-2000
 | 
| ADS | 
N-12
 | 
T
 | 
3/29/2017 | 
 | 
N-12
 | 
| ADS | 
AdvanEDGE
 | 
T (Alt.)
 | 
4/14/2017 | 
 | 
AdvanEDGE
 | 
Return to Preapproved Materials