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Home My WebLink AboutWD-40-88 r-- ,� TOWN OF NEWCASTLE I � k V`�� =� � REPORT File # � . I1, Res. # By-Law # MEETING: GENERAL PURPOSE AND ADMINISTRATION COMMITTEE DATE: JULY 4, 1988 REPORT #: WD-40-88 FILE #: SUB,ECT: KREBELJ DELEGATION TO THE COUNCIL MEETING OF JUNE 27, 1988 I I RECOMMENDATIONS: It is respectfully recommended that the General Purpose and Administration Committee recommend to Council the following: That Report WD-40--88 be received for information. i I BACKGROUND: In June 1988 the owner of the property in Concession 9, the north part of Lot 32, Reference Plan 1OR-333, Part 1, Anton Krebelj, 28 Gregory Road, Ajax, contacted the Public Works Office to express concerns with respect to: 1. Dust control; 2. Restoration of the embankment on Mosport Road, adjacent to that property. The foreman reviewed the location and advised the property owner that: a. Dust control would be addressed through the 1988 Surface i Treatment Program; i b. That the restoration of the embankment was still under review and alternatives were being discussed. II Page 2 WD-40-88 The property owner was not satisfied so a meeting was arranged and attended by Don Patterson, Operations Manager; Ron Robinson, Foreman; Anton Krebelj and Mrs. Krebelj, on site. Don Patterson confirmed the foreman's response with respect to dust control and possible alternatives were discussed for restoration of the embankment. Mr. Alex Krebelj attended the Council meeting of June 27th to express concerns to Members of Council. Resolution C-496-88, referred the matter to Public Works for an information report to be submitted to the General Purpose and Administration Committee Meeting of July 4th. REPORT There are two specific issues of concern to Mr. Krebelj: 1. Dust control; 2. The restoration of the embankment. DUST CONTROL The section of Mosport Road adjacent to the Krebelj property was reconstructed by Town Forces in 1987 and is scheduled for High Float in the 1988 Surface Treatment Program, awarded by Council at their meeting of June 27th. The contractor anticipates July 17th as a start date and it is intended that this location be given priority. It is preferable not to use calcium chloride at all in the same summer area as priming as quoted in the M.T.O. Construction Manual. (refer to Attachment 1) Calcium Chloride was applied to Mosport Road from Concession 10 southerly for a distance of 300 metres in May of this year. This is a portion of the frontage owned by Mr. Anton Krebelj. This work was done by the Town since High Float is not scheduled for that section of road in 1988. (see Attachment 2) . . .3 Page 3 WD-40-88 RESTORATION OF EMBANKMENT Mosport Road was reconstructed a distance of approximately 595 metres in 1987 by Town forces and extended beyond the limits of the Ivan Krebelj property. This work included realignment and grading. In order to facilitate grading of the embankment along the east side of Mosport Road, through the cut sections, permission was obtained from abutting property owners to encroach and grade the slopes back onto private property. In the case of the Ivan Krebelj property, this permission was denied at the time of construction and again on June 25, 1988, at the site meeting with the Operations Manager. The slope in question consists of sandy soil with a high gravel content and is not suitable to support vegetation or grass unless the slope is flattened, to permit the application of topsoil and sod or seed. The slope in question is at approximately 1:1 grade, with a height of some 18 feet, plus or minus. A possible alternative to refurbish the back slope to the subject property would be to construct a partial retaining wall of gabions. In order to obtain a 2:1 slope (a more preferred slope) a gabion wall of variable height from 3 feet to 9 feet would be required for an average distance of 100 feet. The estimated cost to construct this along with topsoil and seed would be approximately $28,000.00, including contingencies. A project of this magnitude would have to be addressed in future budget discussions. . . .4 i foo i I, Page 4 WD-40-88 �i I I I i RECOMMENDATIONS Staff recommend that further attempts be made to obtain permission to enter upon the Ivan Krebelj property for grading purposes. It is further recommended that if permission to encroach is granted, grading of the slope be extended a maximum of 18 feet onto the Krebelj property, with subsequent topsoiling and seeding, similar to the adjoining property owned by Mr. John Syer. The estimated cost to complete the above restoration to the embankment is $3,000.00. This could be addressed through the current budget for Roadside Ditching and is eligible for subsidy. Fencing would be completed by the Town in that area of the embankment. Respectfully submitted, Recommended for presentation to the Committee, I f < Walter A. Evans, P. Eng., ,v Lawrence E. Kotseff, Chief Administrative Officer. Director of Public Works. i DP:lly 29 June 1988 ATTAa*ENT # 1 j. 6. 06) W-40-88 Bituminous Part 6 Construction Manual Pavement Construction The tire pressure of the pneumatic-tired roller recommended because the marks often show up must be a minimum of 350 kPa cold. after priming and surface treating. The grade must be loosened to the depth of the potholes Power Broom and reshaped to`'the proper crossfalI and grade. Water should be added to aid grading. The The rotary power broom must be in good mechan- shaped road shall be rolled to proper densities )cal condition and capable of thoroughly clean- with at least seven tonne roller, ing the road. The broom should be checked for excessive bristle wear and mechanical condition Calcium chloride must not be used during the before work commences. fine grading and it is preferable not to use calcium chloride at all in the same summer as CONSTRUCTION priming. Calcium chloride stops the penetration of primer into a granular grade. If calcium Grade Preparation chloride is required for dust control, the lappilcatlon rate must be kept to the absolute The condition of the granular base directly �tntmum. affects the performance of the prime and surface treatment. if, for example, the base fails then _n ediately prior to priming the graded surface the prime and surface treatment will also fail. shall be dampened, but not be excessively wet, The granular base must be considered an integral and shall be rolled with a steel-tired roller. part of the prime and surface treatment work. Structurally, the prime and surface treatment Priming add nothing to the load-carrying capacity of the road. Before rimin begins,P 9 9 , a guide should be set out for the distributor operator to follow. The Some of the more Important grade problems that guide assists the operator in driving a straight must be corrected before the priming and surface line and helps centre the lane. Stones about treating are: 8 cm in diameter set along centre line or along I. Unsuitable material In the grade (top_ the shoulder are usually sufficient. 9011 4n4 9l ttt. 2. back of proper drainage (saturated base Liquid asphalt primers should be 30°-45°C, Inadequate ditching). ' and emulsified asphalt primer 50°-60°C when 3. insufficient sprayed. Primers heated to the distributor must granular depth, be heated with extreme care 4. Poor compaction, because of the danger of fire. The primer should be circulated A road scheduled for during the heating process. must not have any Of the n above surface deficiencies resent. The primer is uniformly sprayed on the road at P One method of determining problem the desired rate (see Table ), The distri- areas is to inspect the granular grade during butor speed shall not exceed the spring thaw. Record the locations of the 100 m/min for best results. frost heaves, frost boils and soft sections by driving markers In a fence line, etc. the summer Later In Application of Class 4 Aa regate these areas can be located and treated as described in the grading practices of After Part 7 of the Construction Manual, applying the primer, approximately 20 minutes is required for the primer to penetrate Once a grade is sound, well compacted and has into the granular base. If the class 4 aggre- sufficient granular depths for the anticipated gate is applied too soon, the primer will be ! loads, the surface to be primed shall be mss_ blotted up by ttie sand, reducing the -penetration ' depth. The a ened with a grader equipped with a standard or 99regate is applied with the aggre- saw-toothed blade. gate spreader at the rate specified in Table Scarifying is not 61-1. 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