- B. Tourte (2011),” Manhole cover with a sealing gasket”,
Sealing Technology,
Volume 2012, Issue 3, March 2012, pp.12.
-
R. Griffiths,
A. Ball(2000)” An assessment of the properties and degradation behavior of glass-fibre-reinforced polyester polymer concrete”,
Composites Science and Technology,
Volume 60, Issue 14, November 2000, pp. 2747–2753.
-
Salah El Haggar, ,
Lama El Hatow (2009), “Reinforcement of thermoplastic rejects in the production of manhole covers”,
Journal of Cleaner Production,
Volume 17, Issue 4, March,
pp. 440–446.
- Oliwia Merska ,Paweł Mieczkowski, Dawid Żymełka (2016), “Low-noise Thin Surface Course – Evaluation of the Effectiveness of Noise Reduction”,
Transportation Research Procedia,
Volume 14, 2016, pp. 2688–2697.
-
Laurie Winkles (2015), “Glass fiber alternative to concrete trench covers” ,
Reinforced Plastics,
Volume 59, Issue 6, November–December 2015, pp.257–258.
-
Chia Kuang Lee,
Tak Wing Yiu, Sai On Cheung (2015), ” Composite manhole covers can be lifted by hand” ,
Reinforced Plastics,
Volume 59, Issue 2, March–April 2015, pp. 63-64.
- -The ACO Group (2015), “drainage and water treatment solutions”: ACO Severing Ahlmann, Germany.
- The ACO Group (2014), “Site Installation Manual, Polymer Concrete Drain Systems”: ACO Systems FZE, United Arab Emirates.
- The ACO Group (2015), “ACO point drainage”: ACO Systems FZE, Mozambique.
- The ACO Group (2014), “ACO Kerb Drain”: ACO Systems FZE, Switzerland.
- The ACO Group (2015), “Gullies and gully tops for bridge drainage and refurbishment”, ACO Systems FZE, Russia.
- The ACO Group (2015), “ACO Cast and ductile iron products”, ACO Systems FZE, South Africa.
- Fiber Lite Company (2015), “GRP Composite Trench Covers Technical Guide”, Fiber Lite, United States.
- FTRC Company (2013), “Man ways Maintenance and Operations Manual”, Flow Trend, Canada.
- Government of Hong Kong (2013), “STORMWATER DRAINAGE MANUAL, Planning, Design and Management”, China, May.
- Structural Science Company (SSC) (2016), “Composite Manhole Covers”, United States, Website: www.structuralscience.net.
- Stabile (2014), “Manhole Cover Locking System”, England ,Website:
www.stabiloc.com
- Tallinnavesi (2012), “Manhole Cover Problems and Solutions”, Finland, Website:
www.tallinnavesi.ee.
- Parson Environmental (2014), “Manhole Cover Noise Silence”, United States, Website:
www.parsonenvironmental.com.
- EJ Company (2011), “Composite Manhole Covers, a new revolution”, United States, Website: americas.ejco.com.
- AMPro Company (2009), “Manhole Cover Security Systems”, United States, Website:
www.ampro.us.
- J. Gillete (1994), “ Manhole Cover Locking Mechanism” , Google Docs , United States , Website:
www.google.com/patents/US1135009.
- Svenskabrunns Company (2012), “Secure your manhole covers”, Russia, Website:
www.svenskabrunnslock.se.
- FPMC Company (2011), “Precast concrete covers for gullies”, England, Website: fpmccann.co.uk.
- McGard Company (2012), “Manhole Security Products”, Canada, Website:
www.mcgard.com.
- R. J. Cliffs (2016), “ways cities are
clamping down on manhole cover theft”, MSW magazine, South Africa, December 2016, Website:
www.mswmag.com.
- Li Keqiang (2016), “gps-prevented manhole covers being stolen”, China, November 2016, Website:
www.meitrack.com.
- Siphiwe Sibeko (2015), “Manhole Cover Theft Solution”, South Africa, Website:
www.iol.co.za.
- SewerLock Company (2008), “Manhole Cover Security Products”, England, Website:
www.sewerlock.com.
- yohannes negasi (2012), “ Ductile iron and cast iron used to build manhole covers” , France.
- Jewson Company (2014), “Materials for building manhole covers”, England, Website: www.jewson.co.uk.
- Casting Sink Company (2011), “Aluminum Manhole Ring and cover”, Egypt, Website:
www.castingsinc.com.
- Kinammental Industry (2015), “Noiseless manhole covers”, Korea, Website: kinammetal.tradekorea.com.
- Wickes Company (2012), “Manhole Covers Problems”, England, Website:
www.wickes.co.uk.
- ULMA Company (2016), “New Solutions for drainage systems”, United States, Website:
www.ulmaarchitectural.com.
- Michael Steve (2015), “Identifying problems and solutions to leaky manholes”, Canada, Website:
www. Canadian underground infrastructure.com.
- Andrew Manson (2011), “noisy manhole covers nuisance Barton tred worth”, England, Website:
www.gloucestershirelive.co.uk.
- Iron Foundry Factory (2008), “Casting Manhole Covers”, Website:
www.iron-foundry.com.
- Philadelphia Road Office (2005), “Manhole Utility Covers”, United States, Website:
www.philadelphiastreets.com.
- Pollard Water Company (2012), “Manhole Cover Cushion”, South Africa, Website:
www.pollardwater.com.
- Recessed Manhole Covers Company (2014), “Innovations in Manhole Covers Production”, England.
