[ DENR ADMINISTRATIVE ORDER NO. 69, July 23, 1990 ]
SUBMISSION OF FULL AERIAL PHOTOGRAPHY BY HOLDERS OF TIMBER LICENSE AGREEMENTS AND TIMBER PRODUCTION SHARING AGREEMENTS OR SATELLITE DATA AS CONDITIONAL REQUIREMENT FOR THE CONTINUANCE OF THEIR LICENSE/AGREEMENT
2. The following are the technical requirements for the required photography under this Order:
2.1 The aerial photographs shall have an average scale of 1:25,000 with a maximum deviation of + 20 % allowance for flying hazards for the plane and crew;
2.2 Panchromatic black and white aerial photo films shall be used in the photography;
2.3 Aerial photos shall be contract printed on 23 x 23 cm. (9" x 9") single weight paper with semi- mattle finish;
2.4 Aerial print shall have an average forelap of 60 percent (60%) and sidelap of thirty percent (30%). The minimum and maximum sidelap is fifteen percent (15%) and forty percent (40%), respectively;
2.5 Aerial photos shall be free from cloud cover. However, a maximum cloud cover of ten percent (10%) of the area of a photoprint may be allowed provided that no cloud cover shall be located within the photocenter;
2.6 Camera tilt and tip shall be kept to a minimum and not exceeding two percent (2%);
2.7 Flight crabbing or deviation from the prescribed flight direction shall not exceed five percent (5%);
2.8 Aerial photography shall be taken between 10:00 AM. and 3:00 PM. to avoid long and obscuring shadows of mountain peaks and ridges; and
2.9 the aerial photography shall be completed, as much as possible, within three (3) months from start to finish.
3. The satellite image to be submitted must be either Landmass TM or SPOT image at 1:100,000 scale transparency taken within six (6) months from submission. Advisement of other satellite products shall be cleared priorly with the DENR.
4. The licensees or concessionaires are given the option to choose the aerial photo surveying contractor to undertake photography of their areas from a list of firms to be pre-qualified by the DENR.
5. To minimize the cost of the aerial photography, two or more licensees whose areas are adjoining or near each other may jointly enter into contract with a single aerial photography contractor. In the case of satellite images, the joint submission may also be done.
6. The completed aerial photographs or satellite images shall be submitted by the licensees to the ACCEPTANCE COMMITTEE to be created by the DENR which shall be primarily responsible for the consolidation and authentication of the photographs or satellite images. The committee shall composed of the representatives from the following offices:
Administrator, National |
- Chairman |
Director, Forestry |
- Vice-Chairman |
Representative of Under |
- Member |
Representative, Planning |
- Member |
Representative/s from the |
- Member |
7. The NAMRIA shall be responsible for the interpretation and/or analysis of the submitted aerial photographs/satellite images, including mapping at appropriate scale. The cost of mapping and interpretation shall be jointly shouldered by DENR and PWPA.
8. Non-submission of the required aerial photographs/satellite images within the prescribed period shall be valid cause for the suspension of the timber license agreement.
9. Forestry Administrative Order No. 11-1, S. of 1971 and all Orders, Circulars, or directives inconsistent with this Order are hereby revoked or amended, accordingly.
10. This Order shall take effect fifteen (15) days after its publication in a newspaper of national circulation.
Adopted: 23 July 1990
(SGD.) FULGENCIO S. FACTORAN, JR.
Secretary