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The Idiots' Guide to Highways Maintenance
Copyright © 2000/08, C.J.Summers

UPDATES

I thought it a good idea to create this page so that people who visit the site regularly may be made aware of any additional material that may have been added to a particular page, or indeed the addition of a new page.
With existing pages, only if there has been a significant change to the page and the information it contains or how it is presented will I make reference to it. 
If I have only corrected a found spelling mistake or re-phrased a sentence or two to make its meaning more apparent, then that will not be considered worth an individual mention.


6th.May 2008
The page, 
A LIST OF ITEMS GIVING GUIDANCE TO RECYCLING IN HIGHWAYS MAINTENANCE & CONSTRUCTION
has received significant revision and additional text.


29th. April 2008
The page  BITUMINOUS MIXTURES / PROCESS DIAGRAMS
  has received additional text.


28th. April 2008
The page RECYCLING IN HIGHWAY MAINTENANCE - OFF SITE RECYCLING
  has received a substantial amount of additional text.


23rd. April 2008
The page,  PROPRIETARY "THIN SURFACING" & "NEGATIVE TEXTURED SURFACE", BITUMINOUS MIXTURES
  
has received revision and additional text.


17th. April 2008
The page  MODIFIED BITUMEN AND BITUMINOUS MATERIALS
  has received some revision and addition of text.


15th. April 2008
The page  PATCHING WITH BITUMINOUS MATERIALS  has received some revision and a considerable amount of new text.


13th. April 2008
The page  COMPACTION TESTING
  has received some additional text and updating. 


11th. April 2008
Some reformatting, and the inclusion of additional text,  has occurred to the page,  
A BRIEF PHILOSOPHY OF BITUMINOUS MATERIAL PRODUCTION AND LAYING.


7th. April 2008
Further text has been added to the page 
THIS IS A GUIDE TO SOME ASPECTS OF ROAD NOISE.


3rd. April 2008
I have added one or two further comments regarding highways maintenance/engineering "news" on the, 
NEWSLETTERS  page.


28th. March 2008
The page,  JOINT AND CRACK SEALING
has received some changes.


19th. March 2008
The page, STONE MASTIC ASPHALT (SMA),  A STUDY IN PICTURES 
has received additional text.


18th. March 2008
The page,
20MM. HOT ROLLED ASPHALT PRECOATS - SPREAD RATES  has received some further descriptive text, including a slight change in the page title.


16th. March 2008
The page,
HOT ROLLED ASPHALT AND ASPHALT CONCRETE (BITUMEN MACADAM), INFORMATION PRESENTED AS INDIVIDUAL TOPICS,    has received considerable revision and updating.


13th. March 2008
The page  HOT ROLLED ASPHALT AND PRECOATED CHIPPINGS 
has been updated and received additional text.


7th. March 2008
The two menus of web pages, that mainly consist of images of processes and materials, have now been combined in one menu,
PAGES THAT ARE MAINLY PHOTOGRAPHS OF HIGHWAY MAINTENANCE MATERIALS AND PROCESSES
now that all the images are of .jpg format.


18th. February 2008
The page, ROAD PAVEMENT AND FOOTWAY DESIGN
has been updated.


17th. February 2008
The pages, 
ROAD PAVEMENT INVESTIGATION BY CORING
and 
A GUIDE TO REPORTS THAT ARE AVAILABLE FROM THE CSS (FORMERLY THE COUNTY SURVEYORS' SOCIETY)
have received updates.


16th. February 2008
The page, 
PICTURES OF CORES THROUGH BITUMINOUS ROAD PAVEMENTS, 

AND NOTES ON HIGH MODULUS (STIFF) DENSE BITUMEN MACADAM BASE (ROADBASE)

has had a general updating.


27th. January 2008
The pages, 
THIS IS A GUIDE TO AVAILABLE (BITUMEN) COATED MACADAMS, AS SPECIFIED IN,
BS 4987: COATED MACADAM (ASPHALT CONCRETE) FOR ROADS AND OTHER PAVED AREAS
and
THIS IS A GUIDE TO AVAILABLE HOT ROLLED ASPHALT MATERIALS, AS SPECIFIED IN, 
BS 594:HOT ROLLED ASPHALT FOR ROADS AND OTHER PAVED AREAS

have received important updates in the text in relation to the recent changes in specifying bituminous mixtures.


26th. January 2008
The page RECYCLING BITUMINOUS MATERIALS IN HOT MIX PROCESSES
  has received additional text.


14th. January 2008
Changes, and inclusions, have been made to the following pages,
SITE MAP
A BROAD COMPARISON OF BITUMINOUS SURFACING MATERIALS
BRITISH STANDARD BITUMINOUS MIXTURES, THAT CAN BE LAID THINLY


8th. January 2008
The  Winter 2007/8 Newsletter has now been placed on the website.


30th. December 2007
Some "dead" links have been removed and a new link has been added, as well as correcting some link addresses that have undergone changes, on the page, LINKS TO WEBSITES I HAVE FOUND INTERESTING AND REWARDING


16th. December 2007
The introduction to the page,  A BROAD COMPARISON OF BITUMINOUS SURFACING MATERIALS  has received an important update


24th. November 2007
The page BITUMINOUS MIXTURE SURFACES, A CLOSE STUDY has received further new images and changes in text.


14th. November 2007
The page BITUMINOUS MIXTURE SURFACES, A CLOSE STUDY
has received new images and text.


8th. November 2007
The page,  A GUIDE TO "TRL" PREFIXED REPORTS RELEVANT TO HIGHWAYS MAINTENANCE, has received reference to a number of recent reports.


1st. November 2007
The Autunm 2007 Newsletter has had further items and information added.


13th. October 2007
The Autunm 2007 Newsletter has been placed on the website.


28th. September 2007
Significant changes have been made to the introductory passages of the following two pages,
A GUIDE TO AVAILABLE HOT ROLLED ASPHALT MATERIALS, AS SPECIFIED IN, BS 594 : HOT ROLLED ASPHALT FOR ROADS AND OTHER PAVED AREAS

and
A GUIDE TO AVAILABLE BITUMEN COATED MACADAMS, AS SPECIFIED IN, BS 4987 : COATED MACADAM (ASPHALTIC CONCRETE) FOR ROADS AND OTHER PAVED AREAS


15th. August 2007
New information and updating has taken place on the pages,
Aggregate Properties,
BS EN (European) Specifications, relevant to Highways Maintenance and Construction,
British Standards,  relevant to Highways Maintenance and Construction


2nd. August 2007
Further information has been added to the, Summer Edition 2007 - Newsletter.


27th. July 2007
The page, SURFACE DRESSING SPRAYER, DEPOT SPRAY-BAR TEST has been updated with recent, modern photographs.


19th. July 2007
The page, MODIFIED BITUMEN AND BITUMINOUS MATERIALS
has received an update.


19th. July 2007
A further item has been added to the, Summer Edition 2007 - Newsletter.


17th. July 2007
The page SAMPLING MATERIALS USED IN HIGHWAYS CONSTRUCTION / MAINTENANCE, 
has received an update.


15th. July 2007
Additions and slight revisions have been made to 
BS EN (European) Specifications, relevant to Highways Maintenance and Construction
and 
British Standards that are available,  Relevant to Highways Maintenance and Construction


18th. June 2007
I have published a completely new page on, ASPHALT / BITUMINOUS MIXTURE REINFORCING.


30th. May 2007
A further item has been added to the Spring 2007, Newsletter.


3rd. May 2007
I have published an addition to the Spring 2007, Newsletter.
I feel announcing the additions/updates to newsletters is necessary now that they are only published quarterly, but added to within that time period.


24th. April 2007
The page JOINT AND CRACK SEALING has received new text and images.


22nd. March 2007
Additional pictures and text have been placed on the page, DEFLECTOGRAPH SURVEY, A SUMMARY.


13th. March 2007
A new page has be added, 
FAILED THIN 6MM. BITUMINOUS WEARING COURSE ON A PARTICULAR SITE, 6 YEARS AFTER LAYING
to update the case study of previous pages on this site.


1st. March 2007
The page, MODIFIED BITUMEN AND BITUMINOUS MATERIALS has received additions and a slight modification to presentation


12th. February 2007
The page, HOT ROLLED ASPHALT AND PRECOATED CHIPPINGS
  has received additional information and images.


8th. February 2007
The, Winter 2006/07 Newsletter, has received further items.


4th. February 2007
The pages, 

Guide to some of the BS EN (European) Specifications, Relevant to Highways Maintenance and Construction
and, 
Guide to some of the British Standards that are available,  Relevant to Highways Maintenance and Construction

have been updated to include new items or update existing guidance.


26th. January 2007
I have updated and added to the page, SPREAD RATES OF BITUMINOUS MIXTURES, DENSITY, VOIDS.


12th. January 2007
I have added the page, VELOCITY PATCHING.


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