Revere-08B
Revere, Townline Brook
42.433704, -71.018815
Technical Specifications
Basic Properties
- Type
- Self Regulating Tide Gate
- Material
- Metal
- Control
- Counterweights
- Geometry
- Rectangular
- Status
- Active
- Number of Gates
- 3
Operator & Management
- Operator Type
- PUBLIC
- Operator
- DOT and DCR are co-permitees
- Permits
- US Army Corps of Engineers Permit 1997-00838; MA DEP Permit 61-294
- Purpose
- Flood Protection and Restoration
Dimensions & Elevations
- Dimensions
- 6ft diameter, 6ft height
Culvert Details
- Restriction Type
- Roadway
- Geometry
- Rectangular
- Material
- Concrete
- Number of Pipes
- 3
- Comments
- Based on photos, it is unclear how many culverts are present at the site and what their dimensions are. A photo of the upstream end of the restriction shows that there are 15 metal trash grates installed at a concrete headwall while the tide gates are installed at the downstream headwall.
2024 Field Survey Results
Comprehensive field assessment conducted in 2024Physical Conditions Assessment
Channel Conditions
- Channel Alteration
- Severe (>398 ft/acre)
- Channel Constriction
- Equal to channel
- Channel Erosion
- Little (<10% of bank)
- Sediment Deposits
- None
Blockages & Issues
- Debris Blockages
- Limited (<10% of opening)
- Evidence of Overtopping
- No
Transect Measurements
50 Yards
- Open Water
- 33
- Salt Marsh
- 0
- Brackish
- 0
- Freshwater
- 0
- Ditch
- 0
- Unvegetated
- 0
150 Yards
- Open Water
- 30
- Salt Marsh
- 0
- Brackish
- 0
- Freshwater
- 0
- Ditch
- 0
- Unvegetated
- 0
300 Yards
- Open Water
- 25
- Salt Marsh
- 0
- Brackish
- 0
- Freshwater
- 0
- Ditch
- 0
- Unvegetated
- 0
Ecological Assessment
Habitat Observations
- Crab Burrow Intensity
- None
- Ponding Depressions
- None
- Phragmites Present
- Limited (<10%)
- Ecological Impairment
- None
Invasive Species
- Upstream Invasive Species
- Yes
- Downstream Invasive Species
- Yes
- Invasive Species Notes
- Phragmites mostly related to stormwater outlets and weeping hillside.
- Additional Comments (2024)
- Upstream has been completely channelized with portions of reinforced bank all the way to the next upstream crossings. No upstream marsh exists due to steep channel banks except for small pockets along areas of more gradual bank. Downstream side inaccessible due to state highway.
Historical Records
Environmental Data
- Invasive Species
- Yes
- Restoration Status
- In-Progress
- Invasive Comments
- Perennial pepperweed, phragmites, and others.
- Upstream Area
- Total: 40
Notes & Comments
- General Comments
- Site is located off of Route 1 to the northeast of the Showcase cinemas.
- Operation Comments
- Three SRTs are installed at this location and are not being operated per permit conditions. Refer to noncompliance document uploaded to the SharePoint website.
- Gate Comments
- There are three (3) metal self regulating tide gates (SRTs) installed at the site and an additional eight (8) conventional metal flap gates. The SRTs are located at the southernmost end of the headwall. The conventional metal flap gates are present for flood protection while the SRTs are installed to provide flood protection and restoration. Based on plans and photos it appears that the dimensions of the 3 SRT's are approximately 6' by 6'. Dimensions of the flap gates are unknown, but also appear to be on the order of 6' by 6'. As of 11/4/2015, the central SRT (Revere-08B) was missing the bottom float and not operational. Tidal leakage was also observed at and around the conventional flap gates.
- Elevation Comments
- Invert elevation of SRTs is 1.95 Boston City Base (BCB) Datum. High water elevation is 10.69 BCB.
- Other Comments
- Upstream affected area is approximate.
- External Data Comments
- US ACOE CENAE-R-1997-00838 Permit 11.3.1999 US ACOE Permit 1997-00838 & MA DEP Permit 61-294 Non-Compliance Document (Other)
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