Hakkuutähteen arvoketjun analysointi ja kannattavuuden tehostaminen

Suomen tavoitteena on nostaa metsähakkeen käyttö 25 TWh:iin vuoteen 2020 mennessä. Tavoitteen saavuttaminen edellyttää, että metsähakkeen käyttö ja tuotanto on kannatta-vuudeltaan houkuttelevaa. Suuri osa Suomen energiapuusta saadaan ainespuun hakkuun yhteydessä kerättävistä hakkuutähteistä, josta valmistetaan haketta lämpölaitosten tarpee-seen. Tämän työn tavoitteena oli tarkastella suomalaisen metsäteollisuusyrityksen metsähak-keen tuottamiseen liittyvää arvoketjua ja löytää sieltä ne prosessin osat, joissa arvoa syn-tyy eniten sekä ne prosessin osat, joissa arvoa mahdollisesti menetetään. Arvoketjun tarkastelun lisäksi työn tavoitteena oli selvittää mahdollisuuksia latvusmassa-hakkeen kannattavuuden parantamiseen case yrityksessä. Arvoketju analyysiin perustuen tutkimuksessa voitiin todeta suurimman metsäenergian arvon syntyvän hakkuutähteen kuivumisen seurauksena. Liian pitkä varastointiaika sitä vastoin aiheuttaa kuiva-ainetappiosta johtuvaa arvon menetystä hankintaketjussa. Suurin vaikutus hakkuutähdehakkeen kannattavuuteen on hakkeen alhaisella kosteudella. Tutkimuksessa todettiin lisäksi kaukokuljetuskustannusten vaikuttavan erityisen suuresti haketuotannon kannattavuuteen.

The relationship between stem-form, stand-closure and site -conditions : the influence of environmental conditions on tree allometry and forest structure in west-central Alberta

Changes in the configuration of a tree stern result insignificant differences in its total volume and in the proportion of that volume that is merchantable timber. Tree allometry, as represented by stem-fo~, is the result of the vertical force of gravity and the horizontal force of wind. The effect of wind force is demonstrated in the relationship between stem-form, standclosure and site-conditions. An increase in wind force on the individual tree due to a decrease in stand density should produce a more tapered tree. The density of the stand is determined by the conditions that the trees are growing under. The ability of the tree to respond to increased wind force may also be a function of these conditions . This stem-form/stand-closure/site-conditions relationship was examined using a pre-existing database from westcentral Alberta. This database consisted of environmental, vegetation, soils and timber data covering a wide range of sites. There were 653 sample trees with 82 variables that formed the basis of the analysis. There were eight tree species consisting of Pinus contorta, Picea mariana, Picea engelmannii x glauca, Abies lasiocarpa, Larix laricina, Populus tremuloides, Betula papyrifera and Populus balsamifera plus a comprehensive all-species data set. As the actual conformation of the stern is very individual, stem-fo~was represented by the diameter at breast height to total height r~tio. The four stand-closure variables, crown closure, total basal area, total volume and total number of stems were reduced to total basal area and total number of stems utilizing a bivariate correlation matrix by species. Site-conditions were subdivided into macro, meso and micro variables and reduced in number 3 using cross-tabulations, bivariate correlation and principal components analysis as screening tools. The stem-fo~/stand-closure relationship was examined using bivariate correlation coefficients for stem-fo~ with total number of stems and stem-fo~ with total basal area. The stem-fo~/site-conditions and the stand-closure/site- conditions relationships were examined using multiple correlation coefficients. The stem-form/stand-closure/site-conditions relationship was examined using multiple correlation coefficients in separate analyses for both total number of stems and total basal area. An increase in stand-closure produced a decrease in stem-form for both total number of stems and total basal area for most species. There was a significant relationship between stem-form and site-conditions and between stand-closure and site-conditions for both total number of stems and total basal area for most species. There was a significant relationship between the stemform and site-conditions, including the stand-closure, for most species; total number of stems was involved independently of the site-conditions in the prediction of stem-form and total basal area was not. Larix laricina and Betula papyrifera were the exceptions to the trends observed with most species. The influence of both stand-closure (total number of stems in particular) and site-conditions (elevation in particular) suggest that forest management practices should include these- ecological parameters in determining appropriate restocking levels.

Canadian Niagara Power Glass Slide - Engineer Drawing of Sections of Discharge Tunnel

Consulting Engineer drawing of Sections of the Discharge Tunnel. Included in the drawing is the "cross section of tunnel with timbering" and "longitudinal section showing Timber in straight tunnel". Dated October 1902.

Letter - E.C. Schmon to Arthur A. Schmon, 24 November 1919

The letter begins with a retelling of the days activities (washing, cleaning etc.). The second part of the letter mentions the Normans (Canadians). He is connected to a steamship company that travels the St. Lawrence shipping timber. The Normans know of Colonel McCormick and are familiar with Shelter Bay. The letter is labelled number 54.

Sketch of the ship "Jane C. Woodruff"

A black and white copy of a sketch of the ship "Jane C. Woodruff". This appears to have been in a scrapbook. There is a slight tear which affects the picture slightly. [The Jane C. Woodruff was a barquentine ship built in St. Catharines in 1866 by Lewis Shikeluna. The ship belonged to John Battle who was an associate of Samuel D. Woodruff. She was named in honour of Samuel and his wife, Jane Caroline. She originated as a square timber trade boat before being converted into a 3 masted schooner. She collided with the "Mary Battle" in a snow squall in Georgian Bay. The ship passed out of existence in 1902].

Letter - Howard Helliwell to S.D. Woodruff

Letter with letterhead “Sylvester Neelon, Vessel and Steamboat Owner, Merchant Miller and Manufacturer of Ship Timber��� addressed to S.D. Woodruff regarding the pew at St. George’s Church. “This pew which was owned by Howard Helliwell is now at your disposal and the rent is paid up to Oct. 1st”, Oct. 2, 1886

Indenture of Agreement for Sale of Land between Samuel Woodruff to Calvin and Ezekiel Cudney

Indenture of Agreement for Sale of Land between Samuel Woodruff of St. Catharines to Calvin and Ezekiel Cudney of the Township of Niagara. This is a copy of the previous document but there is an additional note on this document about an “agreement for cutting timber���. This is signed by S.D. Woodruff, Jan. 1885.

Indenture of memorandum of an agreement between S.D. Woodruff and James L. Burton and M. Burton

Indenture of memorandum of an agreement between S.D. Woodruff of St. Catharines and James L. Burton and M. Burton, both of Barrie, trading under the name of Burton and Bro. that Burton and Bro. would buy all the pine timber located in berths 192 and 198. Burton and Bro. agrees to have all timber cut. The agreement is signed by S.D. Woodruff and Burton and Bro. This document is badly burned along the left hand side. This does not affect the text, July 11, 1877.

Letter to S.D. Woodruff from Burton and Bro.

Letter (1 ½ pages) to S.D. Woodruff from Burton and Bro. saying that the best time to see the trees that are suitable for timber is spring. They say that they will send a statement as soon as they receive the specifications, Apr. 2, 1878.

Letter to Burton and Bro. which is unsigned from St. Catharines [from S.D. Woodruff]

Letter (1 double sided page) to Burton and Bro. which is unsigned from St. Catharines [from S.D. Woodruff] stating that he will be in Barrie. There is a discussion about the limits and the timber being cut, Apr. 8, 1878.

Letter to Mr. John F. Day [from S.D. Woodruff]

Letter (1 page, double sided) to Mr. John F. Day [from S.D. Woodruff] in which he asks Mr. Day to examine the land and make an account of the no. of pine trees, if any that are suitable for making 16 inch broad pine, Apr. 25, 1878.

Letter to S.D. Woodruff from F. B. Day

Letter (1 ½ handwritten pages) to S.D. Woodruff from F. B. Day stating that spent 12 days inspecting berths 192 and 198. He has found 28 trees left behind. 6 of these are doubtful and 4 are Norway Pines. He states that the spirit of Mr. Woodruff’s argument has been carried out, May 14, 1878.

Receipt (copy) for the amount received from Burton and Bro. for the sum of $944.00 paid in full

Receipt (copy) for the amount received from Burton and Bro. for the sum of $944.00 paid in full for stumpage on berths 192 and 198. It is signed by S.D. Woodruff, May 24, 1878.

Letter to S.D. Woodruff from F.B. Day

Letter to S.D. Woodruff from F.B. Day acknowledging receipt of the $36.00 and reporting on the lumber that is still standing in berths 192 and 198, May 31, 1878.

Letter to John F. Day from [S.D. Woodruff]

Letter (1 ½ handwritten pages) to John F. Day from [S.D. Woodruff] in regard to Mr. Woodruff’s sale of timber in berths 192 and 198. He asks Mr. Day to see if the wood is still uncut, July 9, 1880.